1991 Jeep Wrangler Exhaust System Kits

Keep Your 1991 Jeep Wrangler in Top Shape with Quality Exhaust System Kits

Whether you’re repairing or upgrading your Exhaust System Kit, using high-quality parts is key to keeping your 1991 Jeep Wrangler looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Exhaust System Kits and Exhaust Manifold Hardware Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1991 Jeep Wrangler Exhaust System Kit at Advance Auto Parts is around $375.74, with a range that starts at $40.99 and goes up to $601.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Exhaust Manifold Hardware Kit, MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP, and Off Road Pro Series Gas Stainless Cat-Back Exhaust System start at just $40.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Exhaust System Kit, don’t forget to check out other key components like Exhaust Manifold and Headers and Exhaust Mufflers. At Advance Auto Parts, we’re here to help you keep your 1991 Jeep Wrangler in peak condition, inside and out.

Essential 1991 Jeep Wrangler Exhaust System Kits

Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75116)

Exhaust Manifold Hardware Kit

from

$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).
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Dorman – Help – Exhaust Manifold Hardware Kit – M8-1.25 Stainless Steel (OE Fix) (Part No.03413HP)

Exhaust Manifold Hardware Kit - M8-1.25 Stainless Steel (OE Fix)

from

$32.99
The factory-style bolts used to secure the exhaust manifold to the cylinder head on certain vehicles are prone to cracking and failure from extreme thermal cycles and corrosion. This convenient Dorman OE FIX hardware kit contains twelve M8-1.25 x 30mm bolts made of 100 percent stainless steel that provide superior strength and resistance to corrosion. The bolts are precision-manufactured to match the fit and function of the original equipment hardware, and help ensure a professional and more durable repair. The kit contains the bolts required to install one exhaust manifold.

Product Features:
  • Upgraded hardware – this set of twelve M8-1.25 x 30mm exhaust manifold mounting bolts are 100 percent stainless steel for superior heat and corrosion resistance
  • Convenient solution – kit contains all the application-specific hardware necessary to install one exhaust manifold
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Exhaust Manifold Hardware Kit (Part No.03413B)

Exhaust Manifold Hardware Kit

from

$17.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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aFe POWER – Rebel Series Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 9 HP (Part No.49-38071-B)

Rebel Series Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 9 HP

from

$1367.99
Unique sound and style is what this Rebel Series cat-back exhaust system delivers. 2 1/2″ mandrel bent, 304 stainless steel tubing is 100% hand MIG-welded for race proven strength and durability. A high flow stainless steel, muffler delivers a powerful exhaust tone. The system uses factory mounting locations for an easy install that stays put under any driving condition. Finished with rear exit, quad 3 ½” diameter, stainless steel tips with our signature laser-cut aFe POWER badge for a unique, custom-styled look. 2-1/2″ mandrel bent, 304 stainless steel tubing is less restrictive than stock. This allows maximum flow and low turbulence for increased torque, horsepower and improved throttle response. A primary, free-flowing stainless steel muffler absorbs the high pitch tones and balances exhaust pulses for a powerful exhaust note. Finished with high temp metallic black powder coating for the ultimate in corrosion resistance. Features a custom designed laser cut aFe logo tip brace with a bolt-on red powder coat backing plate to compliment the logo. This system is not compatible with factory receiver (tow hitch).

Product Features:
  • High Flow Muffler
  • Powerful Exhaust Tone
  • 100 Percent MIG Welded
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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.19327)

Street Series Cat-Back Performance Exhaust System

from

$1290.00
The MagnaFlow Street Series Cat-Back Performance Exhaust System 19327 brings out the personality of your 3.6L 2012-2018 Jeep with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through mufflers ending in a Dual Split Rear exit with 4in. Black Coated Welded-On Double Wall Angle Cut Folded Edge tips, this Jeep exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Jeep’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 19327 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 19327 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
  • Dyno-proven performance
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aFe POWER – Rebel Series Axel Back Exhaust System: Black Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-48067-B)

Rebel Series Axel Back Exhaust System: Black Tip, 409 Stainless Steel, Unleashes All Available HP

from

$818.99
aFe Rebel Series axle-back exhaust system complements your Jeep JL on and off-road. Mandrel bent 409 stainless steel tubing and free-flow muffler delivers increased exhaust flow, performance and tuned sound. MIG welded for durability the system uses factory mounting locations for an OE-style fit and stays put under any driving condition. Dual 4-1/2″ black powder coated stainless steel tips with aFe POWER logos makes this system look as good as it performs. A free-flowing, stainless steel, muffler is used to absorb high pitch tones producing a powerful sound and unleashing more horsepower and torque potential. OE-style bayonet hangers are used to maintain a stable pipe location during any driving conditions. The bayonet tip holds the hanger bushing in place for an OE style, long lasting fit.

Product Features:
  • Free Flowing Stainless Steel Muffler
  • Hassle Free Installation
  • MIG Welded For Strength
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MagnaFlow – Off Road Pro Series Gas Stainless Cat-Back Exhaust System (Part No.17143)

Off Road Pro Series Gas Stainless Cat-Back Exhaust System

from

$571.99
The MagnaFlow Off-Road Pro Series Cat-Back Performance Exhaust System 17143 brings additional off-roading prowess and our deep signature exhaust note to your 3.6L 2012-2018 Jeep with a weight-optimized, dyno-tested, corrosion resistant and durable stainless steel design engineered to closely hug the undercarriage for improved ground clearance. Exhaust kit 17143 is engineered to produce Very Aggressive exterior and Aggressive interior sound levels. Extensive 3D scanning was used during the development of this Jeep exhaust system to create a direct-fit design, enabling a do-it-yourself installation process. 17143’s emissions-legal cat-back design replaces all your truck’s exhaust components from the catalytic converter on back with its 2.5in. diameter mandrel bent main piping that passes through 1 Straight-Through mufflers before ending in a turndown before rear axle exit with 3in. Satin Clamp-On Single Wall Turndown Cut Edge tips. Exhaust system 17143 is produced using advanced CNC precision robotic manufacturing techniques and backed by MagnaFlow’s limited warranty.

Product Features:
  • Available for gas or diesel trucks and SUV’s
  • High flow straight through design
  • 100 percent Stainless Steel
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-48079)

MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$908.99
aFe’s Mach Force-Xp axle-back exhaust system delivers form and function to your Jeep JL. This efficient, 2 1/2″ mandrel-bent Hi-Tuck system delivers extra ground clearance when off-roading by replacing the stock, low-hanging muffler assembly. This stainless steel system utilizes the factory front resonator pipe to produce a very aggressive exhaust tone unleashing all available horsepower and torque.

Product Features:
  • Cost Effective System
  • Tubing Is Less Restrictive Than Stock
  • Increased Horsepower And Torque
  • Aggressive Sound
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aFe POWER – Rebel Series Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 9 HP (Part No.49-38073-P)

Rebel Series Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 9 HP

from

$1128.99
This Rebel Series cat-back exhaust system delivers quality, sound, performance and appearance for your Jeep JL 2 or 4 door model. Made from mandrel bent 409 stainless steel tubing for increased exhaust flow and performance, this dual rear exit system eliminates the primary muffler and uses a high flow, transverse rear muffler, finished in high temp black powder coating so it looks as good as it sounds. Dual 4-1/2″ stainless steel clamp-on tips with aFe POWER logos finish it off for the perfect combination of performance, value and style.

Product Features:
  • Muffler Delivers A Powerful Exhaust Tone
  • Custom Designed Rear Tip Brace w/Red aFe Power Logo
  • 100% Hand MIG-Welded For Strength and Durability
  • Unique Quad Exhaust Tips For A Unique Custom-Styled Look
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aFe POWER – Rebel Series Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-48066-P)

Rebel Series Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Available HP

from

$940.99
This Rebel Series cat-back exhaust delivers power and sound by adding horsepower and torque as measured on our in-house dyno. Dual polished tips exit in front of the rear passenger side tire to make this system look as good as it performs. Factory mounting locations provide a stable and hassle-free installation.

Product Features:
  • Free Flowing Stainless Steel Muffler
  • Hassle Free Installation
  • MIG Welded For Strength
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-46223)

MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$601.99
Creates maximum performance and extreme mileage gains. The free flowing rear side exit exhaust system is constructed out of 2.25 in. mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a hassle free installation. Fits both the slip-fit and flange-fit cats. Uses all factory mounting locations providing stability and a hassle free installation. High quality OE style flange and band clamps are used for a complete 360 deg. sealing surface eliminating leak paths. A straight through designed; free flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • 2.5 in. Mandrel Bent 409 Stainless Steel Tubing
  • Hassle Free Installation
  • Free-Flow Muffler
  • Aggressive Sound
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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.16751)

Street Series Cat-Back Performance Exhaust System

from

$889.99
The MagnaFlow 2007-2011 Jeep Wrangler Street Series Cat-Back Performance Exhaust System brings out the personality of your 3.8L 2007-2011 Jeep Wrangler with our signature resonant, powerful engine tone and dyno-proven performance. Thanks to its fast-flowing, mandrel bent 2.5in. main piping and 1 Straight-Through mufflers ending in a Single Straight Passenger Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Jeep Wrangler exhaust kit has the performance chops to match its sporty sound and appearance. Upgrade your ride to the next level with an exhaust that has the pipes to put other Jeep Wrangler’s to shame. With this system your vehicle will be producing Moderate exterior and Mild interior sound levels while leaving other cars and trucks feeling envious at every stoplight. Exhaust kit 16751 features a cat-back layout that replaces your ride’s stock exhaust components from near the catalytic converter on back. Extensive 3D scanning during development has resulted in a direct-fit design that you can easily install yourself. 16751 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s 1-year limited finish warranty and limited lifetime construction warranty.

Product Features:
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
  • Dyno-proven performance
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Borla Performance Exhaust – Axle-Back Exhaust System – ATAK (Part No.11957CB)

Axle-Back Exhaust System - ATAK

from

$1131.00
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
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aFe POWER – MACH Force-Xp Axel Back Exhaust System: Black Tip, 409 Stainless Steel, Gain up to 9 HP (Part No.49-48075-B)

MACH Force-Xp Axel Back Exhaust System: Black Tip, 409 Stainless Steel, Gain up to 9 HP

from

$689.99
If you want proven performance gains, more ground clearance and sound from your Jeep JL 3.6L 2 or 4 door, this Mach Force-XP cat-back exhaust system is what you need. 2-1/2″ mandrel-bent 409 stainless steel tubing and 14″ high flow muffler improves exhaust flow for increased horsepower and torque. In-house dyno testing resulted in gains of up to +9 horsepower and +8 lbs. x ft. of torque and delivers a noticeable exhaust tone. The Hi-Tuck designed tailpipe “tip” gives you extra clearance during extreme angle climbs or descents and an “Old School” traditional Jeep look. Factory-style hangers, ball flange connection and quality hardware are included for a hassle-free install.

Product Features:
  • Outlasts and Outperforms Stock Exhaust
  • Hi-Tuck Design For Clearance and Greater Approach Angles
  • 100 Percent Hand MIG-Welded For Strength and Durability
  • Factory Style Bayonet Hangers
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Borla Performance Exhaust – Axle-Back Exhaust System – ATAK (Part No.11957)

Axle-Back Exhaust System - ATAK

from

$795.99
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP (Part No.49-46201)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 409 Stainless Steel, Unleashes All Avail. HP

from

$765.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination of performance; fit; and value. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 deg. sealing surface. A free-flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • 4 in. Mandrel Bent 409 Stainless Steel Tubing
  • Maximum Flow
  • High Flow Muffler
  • Bayonet Style Hangers For Easy Installation
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aFe POWER – Scorpion Axel Back Exhaust System: No Tip, Aluminized Steel, Unleashes All Available HP (Part No.49-08046)

Scorpion Axel Back Exhaust System: No Tip, Aluminized Steel, Unleashes All Available HP

from

$440.99
The Scorpion Aluminized Hi-Tuck “Rock Basher” (RB) Cat-Back Exhaust System is constructed of 2-1/2″ mandrel-bent aluminized steel tubing. The smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower, torque and throttle response. This exhaust system also comes complete with a 18″ length chambered muffler, OE style bayonet hangers, band clamps and all hardware necessary for a hassle-free installation.

Product Features:
  • Two Piece Design
  • Performance Tip
  • Mandrel Bent Aluminized Steel
  • OE Style Bayonet Hangers
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aFe POWER – Scorpion Cat Back Exhaust System: No Tip, Aluminized Steel, Unleashes All Available HP (Part No.49-08055)

Scorpion Cat Back Exhaust System: No Tip, Aluminized Steel, Unleashes All Available HP

from

$541.99
aFe power introduces the Hi-Tuck “Rock Basher” (RB) Scorpion cat-back exhaust system for 2007-2018 Jeep Wrangler (JK) 2 and 4 door models. Constructed of 2-1/2″ mandrel-bent aluminized steel tubing, the smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower, torque and throttle response. This exhaust system includes a 14″ length, 409 stainless steel, high-flow muffler to absorb high pitch tones producing a powerful sound. All necessary hardware is included for a hassle-free installation. Fits with most aftermarket Evap skid plates. Flow and Performance: Constructed of 2-1/2″ mandrel-bent, aluminized steel tubing for maximum flow, performance and value. The smooth transition bends allow for low turbulence, increasing horsepower, torque and improving throttle response. Forward Muffler Location: This Scorpion Hi-Tuck system incorporates a high flow 14″ length muffler for an aggressive sound while eliminating exhaust drone. The muffler is located prior to the rear axle for increased climbing angles. And is perfect for adding an on-board air compressor system to the underside of your Jeep. If you are considering an on-board air compressor kit, you need to use this system. Compatible with aFe Power’s Glide Guard (Part Number: 46-79001) Hi-Tuck Tip: This exhaust system is finished off with a Hi-Tuck Tip that is developed to give your Jeep extra clearance during extreme angle climbs or descents. Aggressive Sound: A 409 stainless steel performance muffler is designed to provide a deep, throaty, powerful sound on acceleration but maintain a smooth sound at idle. Perfect Fit: An included extension pipe allows this system to fit both the 2 and 4 door Wranglers without modification. OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The Bayonet tip holds the hanger bushing in place for an OE style fit.

Product Features:
  • 2.5 in. Mandrel Bent Aluminized Steel Tubing
  • Hi-Tuck Design To Provide Max. Clearance
  • 409 Stainless Steel High-Flow Muffler
  • Bayonet Styles Hangers And Heavy Duty Band Clamps
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MagnaFlow – FILTER-BACK (Part No.19505)

FILTER-BACK

from

$594.99
The MagnaFlow Jeep Wrangler Street Series 19505 has been designed from the ground up to make your 3.0L 2020-2023 Jeep Wrangler sound like and haul like it should thanks to its heavily dyno-tested, durable and corrosion resistant stainless steel design. This Jeep Wrangler exhaust kit is tuned to produce Moderate exterior and Mild interior sound levels through its fast-flowing, mandrel bent 3in. main piping and is compatible with 3.0L engines. The system terminates in a Single Straight passenger Side Rear exit with 3.5in. Black Coated Welded-On-Double Wall-Angle Cut-Folded Edge tip. Exhaust kit 19505 is tuned to produce our powerful, resonant signature exhaust note at Moderate exterior and Mild interior sound levels. It does this with a filter-back layout that replaces your diesel truck’s stock exhaust system from the particulate filter on back. Extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design. Once you hit the road or trail with this exhaust system hooked up your rig will stand out from the rest as the truest of trucks. 19505 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited finish warranty and limited construction warranty.

Product Features:
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
  • Dyno-proven performance
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-46204)

MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$601.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination of performance; fit; and value. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 deg. sealing surface. A free-flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • 4 in. Mandrel Bent 409 Stainless Steel Tubing
  • Maximum Flow
  • High Flow Muffler
  • Bayonet Style Hangers For Easy Installation
See More

Borla Performance Exhaust – 2018 Jeep Wrangler JL/JLU 3.6L 2DR/4DR SType SS Axle Back Exhaust w/3.5in Tips (Part No.11956)

2018 Jeep Wrangler JL/JLU 3.6L 2DR/4DR SType SS Axle Back Exhaust w/3.5in Tips

from

$801.99
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
See More

Crown Auto Jeep Replacmnt – Aluminized Steel, With Muffler, Single Exhaust With Single Exit (Part No.52018177K)

Aluminized Steel, With Muffler, Single Exhaust With Single Exit

from

$685.99
Crown Automotive continues to be the leader in quality replacement parts for Jeep(R) vehicles. Crown has the largest stock of replacement parts for Jeep(R) vehicles, including factory discontinued parts. In fact, many of the older Jeeps are still on (and off) the road thanks to Crown parts. The Crown line consists of axle, body, brake, clutch, cooling, driveline, electrical, engine, exhaust, fuel, steering, suspension, transmission And transfer case components. Crown Automotive also offers an exclusive line of component kits And accessory products.

Product Features:
  • Manufactured From High Quality Material
  • Engineered To The Specifications
  • Meets The Quality Standards
  • Designed For Performance And Durability
  • Easy To Install
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aFe POWER – ROCK BASHER Turbo Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-48068)

ROCK BASHER Turbo Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$523.99
This durable, purpose-built, cat-back exhaust system improves clearance over rough terrain for the Jeep JK adventurist who wants it all. Large, 2 ½” to 3″ mandrel-bent 409 stainless steel tubing outflows the restrictive OE exhaust to increase torque and horsepower while a free-flowing muffler delivers a powerful, performance tone. The ROCK BASHER’S unique pre-axle turn down tip handles off-road obstacles and utilizes factory mounts for a qui ck and simple install. This cat-back exhaust system has a turn down tip under the vehicle, before the rear axle, to take on rough terrain and off-road obstacles. No more smashed tips. An 18″ long, free-flowing stainless steel muffler is used to absorb high pitch tones producing a powerful sound while unleashing all available horsepower and torque.

Product Features:
  • Free Flowing Stainless Steel Muffler
  • Aggressive Sound
  • MIG Welded For Strength
  • Steel Band Clamps
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Borla Performance Exhaust – Axle-Back Exhaust System – S-Type (Part No.11963)

Axle-Back Exhaust System - S-Type

from

$816.99
Borla Performance Industries is the pioneer and leader in the design and manufacture of stainless steel performance exhaust. We began two decades ago as a manufacturer of exhaust systems for such “concours classics” as Rolls-Royce and Ferrari cars and have evolved into the premier manufacturer of today’s performance vehicles for the street, off-road, and racing.Borla is proud to offer a true “Made in the USA” product sold around the world. We are a company of motorheads, and it shows in our products, customer service, and culture. On weekends, the same Borla employees who built your exhaust or helped you with technical support can be found competing at tracks, drag strips, off-road events and car shows. Constructed using T-304 stainless steel for long life and sharp appearance, and features all welded construction for maximum durability. Unlike any other exhaust brand, Borla’systems are designed from scratch on a vehicle-by-vehicle basis. Every car or truck has unique mechanical and acoustical properties, all taken into account as we spend countless hours optimizing muffler body shapes, internal core configurations, flow dynamics,soundand more.

Product Features:
  • Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive powerful sound
  • Each system is built from premium, high-quality austenitic T-304 stainless steel
  • Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-46203)

MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$689.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination of performance; fit; and value. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 deg. sealing surface. A free-flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of you r rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • Mandrel Bent 409 Stainless Steel Tubing
  • Maximum Flow
  • High Flow Muffler
  • Bayonet Style Hangers For Easy Installation
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aFe POWER – Rebel Series Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-38066-P)

Rebel Series Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Available HP

from

$1242.99
This Rebel Series cat-back exhaust delivers power and sound by adding horsepower and torque as measured on our in-house dyno. Dual polished tips exit in front of the rear passenger side tire to make this system look as good as it performs. Factory mounting locations provide a stable and hassle-free installation.

Product Features:
  • Free Flowing Stainless Steel Muffler
  • Hassle Free Installation
  • MIG Welded For Strength
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MBRP Exhaust – Black Coated Steel, 2.5"Dia Pipe, Single Exhaust With Dual Split Rear Exit (Part No.S5529BLK)

Black Coated Steel, 2.5"Dia Pipe, Single Exhaust With Dual Split Rear Exit

from

$581.99
Our Black Series performance exhaust systems offer a true murdered-out style without compromising on quality and performance. With fully sealed seams to resist rust you can count on this system to really hold up. The black coat finishing is recommended for driving areas that are not exposed to salt and other chemicals on the road.

Product Features:
  • Black Series Axle Back System
  • Built To Perform Designed To Maximize Exhaust Flow And Minimize Exhaust Temperatures Your Truck Will Use Less Gas, Last Longer And Perform Better
  • Dyno Proven, Undergone Countless Hours On Our In-House Mustang 1100 AWD-SE Chassis Dynomometer, Hundreds Of Miles On Road And Track And Numerous Tweaks To Get The Most Out Of The Truck
  • Sound And Style Specifically Tuned To Get The Optimal Sound From The Pickup
  • Built To Perform Designed To Maximize Exhaust Flow And Minimize Exhaust Temperatures Your Ride Will Use Less Gas, Last Longer And Perform Better
  • Easy Installation, Bolt-On, No Weld Design Makes Installation A No Hassle One And A Half To Two Hour Project
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Dynomax – Single – 2.5in Cat-Back Exhaust System – Ultra Flo Polished Muffler: Stainless Steel (Part No.39523)

Single - 2.5in Cat-Back Exhaust System - Ultra Flo Polished Muffler: Stainless Steel

from

$507.99
Give your 2012-2018 Jeep Wrangler JK exhaust system an upgrade with the original stainless-steel RockCrawler cat-back system from DynoMax. Comes with a DynoMax Ultra Flo SS polished muffler that features stainless-steel construction that delivers lasting protection and show-quality shine.

Product Features:
  • COMPATIBILITY : Designed for 2012-2018 four-door Jeep Wrangler JK 3.6L V6
  • PERFORMANCE UPGRADE : Enhance your vehicle’s exhaust system with this high clearance off-road RockCrawler design kit that can give an 11HP and 12-Lb. Ft. torque improvement
  • COMPLETE SOLUTION : Includes DynoMax Ultra Flo SS polished muffler, intermediate pipe, tail pipe, tip with band clamp and all necessary clamps
  • IMPROVED FLOW CAPACITY : 2.5-in. Stainless-steel tubing with mandrel bends improves flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power
  • PREMIUM ACOUSTIC CONTROL : Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • SUPERIOR PERFORMANCE : Straight-through muffler design ensures unrestricted exhaust flow and reduces back pressure
  • SPECS : 3-in. Outlet, single wall, buffed and polished stainless-steel slant cut tip
  • NOTES : Tail pipe exits in rear
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Most Popular Exhaust System Kits for 1991 Jeep Wranglers

Enhance your 1991 Jeep Wrangler with one of the 2 Exhaust System Kits we have in stock, starting at just $429.99.

aFe POWER – MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP (Part No.49-46204)

MACH Force-Xp Cat Back Exhaust System: No Tip, 409 Stainless Steel, Unleashes All Available HP

from

$601.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4 in. 409 stainless steel tubing for maximum flow; increased horsepower; increased torque; and lower EGTs. MACH Force XP exhaust systems are the perfect combination of performance; fit; and value. All systems use factory mounting locations providing stability and hassle-free installation. High quality OE style band clamps are used for a complete 360 deg. sealing surface. A free-flowing 24 in. long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. OE style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE style fit that does not change with time.

Product Features:
  • 4 in. Mandrel Bent 409 Stainless Steel Tubing
  • Maximum Flow
  • High Flow Muffler
  • Bayonet Style Hangers For Easy Installation
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MagnaFlow – Off Road Pro Series Gas Stainless Cat-Back Exhaust System (Part No.17126)

Off Road Pro Series Gas Stainless Cat-Back Exhaust System

from

$429.99
The MagnaFlow 1991-1995 Jeep Wrangler Off-Road Pro Series Cat-Back Performance Exhaust System brings additional off-roading prowess and our deep signature exhaust note to your 2.5L, 4.0L 1991-1995 Jeep Wrangler with a weight-optimized, dyno-tested, corrosion resistant and durable stainless steel design engineered to closely hug the undercarriage for improved ground clearance. Exhaust kit 17126 is engineered to produce Very Aggressive exterior and Aggressive interior sound levels. Extensive 3D scanning was used during the development of this Jeep Wrangler exhaust system to create a direct-fit design, enabling a do-it-yourself installation process. 17126’s emissions-legal cat-back design replaces all your truck’s exhaust components from the catalytic converter on back with its 2.5in. diameter mandrel bent main piping that passes through 1 Straight-Through mufflers before ending in a turndown before rear axle exit with 3in. Satin Clamp-On Single Wall Turndown Cut Edge tips. Exhaust system 17126 is produced using advanced CNC precision robotic manufacturing techniques and backed by MagnaFlow’s limited warranty.

Product Features:
  • Available for gas or diesel trucks and SUV’s
  • High flow straight through design
  • 100 percent Stainless Steel
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Best-Selling 1991 Jeep Wrangler Exhaust Manifold Hardware Kit

Upgrade your Wrangler with our best-selling Exhaust Manifold Hardware Kit.

Felpro – Exhaust Manifold Hardware Kit (Part No.ES 75116)

Exhaust Manifold Hardware Kit

from

$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • Designed and manufactured to meet the needs of the exhaust system repair environment.
  • Verified, tested and certified proprietary Organic coating resists corrosion.
  • Tightly controlled coefficient of friction ensures reliable installation.
  • Application specific kit contents
  • Self-locking nuts (where applicable).
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FAQs for 1991 Jeep Wrangler Exhaust System Kits

What are the best-selling Exhaust System Kits for 1991 Jeep Wranglers?

Out of 3 Exhaust System Kits that fit 1991 Jeep Wranglers, the following parts are the top sellers:

What’s the price range for 1991 Jeep Wrangler Exhaust System Kits?

The prices of Exhaust System Kits for the 1991 Jeep Wrangler range from $40.99 up to $601.99 for the most premium parts.

What is the average price of an Exhaust System Kit for a 1991 Jeep Wrangler?

The average price for Exhaust System Kits for the 1991 Jeep Wrangler is $375.74. Keep in mind the variety of part types within our Exhaust System Kit category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Exhaust System Kits for other Jeep Wrangler model years?

Yes, we carry Exhaust System Kits for 32 model years of Jeep Wranglers between 1992 and 2025. The following model years are the most popular for Exhaust System Kit purchases: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Exhaust System Kits for my 1991 Jeep Wrangler?

The cheapest 1991 Jeep Wrangler Exhaust System Kits we carry are:

Does Advance Auto Parts sell Exhaust System Kits for any other 1991 Jeep models?

Yes. We stock Exhaust System Kits for 1 other popular 1991 Jeep models. Some of the most popular are 1991 Cherokee Exhaust System Kits and 1991 Comanche Exhaust System Kits.

What types of Exhaust System Kits do you sell for my 1991 Jeep Wrangler?

As of 11/2/25, these are some of the most in-demand types of Exhaust System Kits for a 1991 Jeep Wrangler:

Can I get help with 1991 Jeep Wrangler Exhaust System Kit orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Jeep Exhaust System Kits and more.

What is your return policy for Jeep Wrangler Exhaust System Kits?

Advance Auto Parts keeps returns simple. For new Jeep Wrangler Exhaust System Kits and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.