BMW 325i Exhaust System Kits

Your BMW 325i will be happy to know that the search for the right Exhaust System Kits you’ve been looking for is over! Advance Auto Parts has 3 different Exhaust System Kits for your vehicle, ready for shipping or in-store pick up. The best part is, our BMW 325i Exhaust System Kits start from as little as $1,248.99.

When it comes to your BMW 325i, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Exhaust System Kits brands so you can shop with complete confidence. Some of our top Exhaust System Kits brands are aFe POWER and Magnaflow. We’re sure you will get the right product to keep that 325i running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Exhaust System Kits for your 325i, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 BMW Exhaust System Kits

MagnaFlow – Sport Series Cat-Back Performance Exhaust System (Part No.19187)

Sport Series Cat-Back Performance Exhaust System

from

$3942.99
The MagnaFlow Sport Series Cat-Back Performance Exhaust System 19187 19187 enhances your 3.0L 2015-2020 BMW with an aggressive character that is sure to help you stand out from the other BMW you encounter on the street. With its 2.5in. diameter fast-flowing mandrel bent main piping that passes through 1 Straight-Through mufflers before ending in a Quad Split Rear exit with 3.5in. Black Coated Welded-On Double Wall Angle Cut Folded Edge tips, this dyno-proven BMW exhaust system refuses to be ignored. As such, 19187 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 19187 is backed by MagnaFlow’s 1-year finish warranty and limited lifetime construction warranty.

Product Features:
  • Racing inspired sound
  • High-performance lightweight design
  • Dyno-proven performance
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36308)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$2791.99
The new MACH Force XP exhaust is engineered to perform in the most extreme environments. Constructed from 5in. mandrel bent 409 stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT’s. This system is available in 5in. turbo-back without muffler. All MACH Force exhaust systems come with all the necessary hardware for a clean and simple installation.

Product Features:
  • 2.75 in. Mandrel Bent 304 Stainless Steel Tubing
  • Mirror Polished Finish
  • Maximum Flow
  • High Flow Muffler
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 17 HP (Part No.49-36338-B)

MACH Force-Xp Axel Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 17 HP

from

$2657.99
Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish and a stamped aFe power logo. Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Quad 3-1/2″ Stainless Steel Tips: Finishing off this system are Quad 3-1/2″ diameter, 304 stainless steel tips with laser-etched aFe POWER logos. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 2-1/2″ to 3″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • Utilizes High Flow Transverse Muffler
  • Quad Gloss Black 304 Stainless Steel Tips
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 12 HP (Part No.49-36340-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 12 HP

from

$2657.99
The aFe MACH Force-Xp cat-back exhaust system exceeds your quality and performance expectations. Mandrel bent 304 stainless steel tubing and high flow transverse muffler offers maximum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note. The valve utilizes the factory valve motor and factory performance modes. When closed, it directs the exhaust through the high flow muffler for a smooth, tuned exhaust note. When opened, the exhaust is allowed to bypass the muffler and unleash sound and performance. Large diameter stainless steel exhaust tips come with a laser-etched aFe POWER logo for a stylish finish.

Product Features:
  • Factory Style Exhaust Valve
  • TIG Welded For Strength
  • Corrosion Resistance/Durability
  • Breath Taking Appearance
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aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-36334-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP

from

$2657.99
Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This -cat-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp cat-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Dual 4″ Gloss Black Tips: Finishing off this system are dual 4″ diameter, gloss black, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance cat-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • High Flow Transverse Muffler
  • Dual Gloss Black 304 Stainless Steel Tips
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 17 HP (Part No.49-36338-P)

MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Gain up to 17 HP

from

$2410.99
Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish and a stamped aFe power logo. Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Quad 3-1/2″ Stainless Steel Tips: Finishing off this system are Quad 3-1/2″ diameter, 304 stainless steel tips with laser-etched aFe POWER logos. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 2-1/2″ to 3″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • Utilizes High Flow Transverse Muffler
  • Quad Polished 304 Stainless Steel Tips
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36334-P)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$2410.99
Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This -cat-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp cat-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Dual 4″ Polished Tips: Finishing off this system are dual 4″ diameter, polished, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance cat-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • High Flow Transverse Muffler
  • Polished 304 Stainless Steel Tips
See More

MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.16859)

Touring Series Cat-Back Performance Exhaust System

from

$2312.99
The MagnaFlow 2006-2010 BMW M5 Touring Series Cat-Back Performance Exhaust System 16859 is the perfect partner for your 5.0L 2006-2010 BMW M5 to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 3 Straight-Through muffler that terminate in a Quad Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips. 16859 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW M5 exhaust system is compatible with 2006-2010 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW M5 like a glove. 16859 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-36328-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP

from

$2295.99
The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust pulse. Comes with dual 3.5 in. polished 304 stainless steel tips and muffler to build a mellow yet powerful sound. Engineered and manufactured in our Corona Ca manufacturing facility. All systems use factory mounting locations providing stability and hassle-free installation. High quality band clamps are used for a complete 360 deg. sealing surface. A free flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The crossover balance tube equalizes and evenly distributes exhaust pulses traveling through the exhaust system. This not only creates more efficient flow and better performance it also reduces sound decibels ultimately minimizing exhaust drone.

Product Features:
  • 100% TIG-Welded
  • Dual High Flow Mufflers
  • Uses Factory Mounting Locations
  • Street Legal
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36333-P)

MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$2295.99
Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo. Exhaust Valve: This down-pipe back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Quad 4″ Polished Tips Finishing off this system are quad 4″ diameter, polished, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • 3 in. To 2.5 in. Mandrel Bent Tubing
  • Includes A Factory Style Exhaust Valve
  • Utilizes A High Flow Transverse Muffler
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-36326-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP

from

$2295.99
aFe is proud to introduce the Dual Cat-Back Exhaust System for the 2012-2013 Volkswagen Beetle with the L4-2.0L Turbo engine. In recent testing this Mach Force XP cat-back exhaust system produced 7 horsepower and 14 lbs. x ft. of torque. This exhaust system is constructed out of mandrel-bent, 2.50 in. 304 stainless steel and includes MIG welded hangers and OE-style band clamps for a simple, leak-free, bolt-on installation. A huge 6 in. round high-flow muffler is used to keep exhaust drone to a minimum while maintaining a sporty sound. aFe utilizes dual 4 in. double wall, polished, stainless steel tips with an aFe laser-etched logo which provides an aggressive yet elegant look. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Product Features:
  • 2.5 in. Dia. 304 Stainless Steel
  • 100% Hand TIG Welded
  • 3 in. Slash Cut Tips
  • Hassle Free Installation
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36328-P)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$2082.99
The Mach Force XP cat-back exhaust system produces 11 hp and 10 lbs./ft. of torque. constructed from 2.75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust pulse. Comes with dual 3.5 in. polished 304 stainless steel tips and muffler to build a mellow yet powerful sound. Engineered and manufactured in our Corona Ca manufacturing facility. All systems use factory mounting locations providing stability and hassle-free installation. High quality band clamps are used for a complete 360 deg. sealing surface. A free flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The crossover balance tube equalizes and evenly distributes exhaust pulses traveling through the exhaust system. This not only creates more efficient flow and better performance it also reduces sound decibels ultimately minimizing exhaust drone.

Product Features:
  • 100% TIG-Welded
  • Dual High Flow Mufflers
  • Uses Factory Mounting Locations
  • Street Legal
See More

MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.15337)

Touring Series Cat-Back Performance Exhaust System

from

$2021.99
The MagnaFlow Touring Series Cat-Back Performance Exhaust System 15337 is the perfect partner for your 3.0L 2013-2016 BMW to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 3in. main piping and 3 Straight-Through;Multi-Chamber muffler that terminate in a Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15337 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW exhaust system is compatible with 2013-2016 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW like a glove. 15337 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
See More

MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.16560)

Touring Series Cat-Back Performance Exhaust System

from

$1996.99
The MagnaFlow Touring Series Cat-Back Performance Exhaust System 16560 16560 is the perfect partner for your 4.4L, 4.8L 2004-2010 BMW to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 3 Straight-Through muffler that terminate in a Dual Split Rear exit with 3.25 x 4.75in. Polished Welded-On Double Wall Straight Cut Rolled Edge tips. 16560 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW exhaust system is compatible with 2004-2010 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW like a glove. 16560 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-36336-B)

MACH Force-Xp Axel Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP

from

$1983.99
Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation; This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Dual 4″ Gloss Black Tips; Finishing off this system are dual 4″ diameter, gloss black, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • Utilizes High Flow Transverse Muffler
  • Dual Gloss Black 304 Stainless Steel Tips
See More

MagnaFlow – Sport Series Cat-Back Performance Exhaust System (Part No.16602)

Sport Series Cat-Back Performance Exhaust System

from

$1850.00
The MagnaFlow 2001-2006 BMW M3 Sport Series Cat-Back Performance Exhaust System 16602 enhances your 3.2L 2001-2006 BMW M3 with an aggressive character that is sure to help you stand out from the other BMW M3 you encounter on the street. With its 2.25in. diameter fast-flowing mandrel bent main piping that passes through 2 Straight-Through mufflers before ending in a Quad Split Rear exit with 3in. Polished Welded-On Double Wall Angle Cut Folded Edge tips, this dyno-proven BMW M3 exhaust system refuses to be ignored. As such, 16602 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 16602 is backed by MagnaFlow’s limited lifetime warranty.

Product Features:
  • Racing inspired sound
  • High-performance lightweight design
  • Dyno-proven performance
See More

MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.15544)

Touring Series Cat-Back Performance Exhaust System

from

$1834.99
The MagnaFlow 2008-2013 BMW M3 Touring Series Cat-Back Performance Exhaust System 15544 is the perfect partner for your 4.0L 2008-2013 BMW M3 to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through muffler that terminate in a Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15544 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW M3 exhaust system is compatible with 2008-2013 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW M3 like a glove. 15544 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36336-P)

MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$1798.99
Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation; This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Dual 4″ Polished Tips; Finishing off this system are dual 4″ diameter, polished, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • Utilizes High Flow Transverse Muffler
  • Dual Polished 304 Stainless Steel Tips
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP (Part No.49-36339-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Unleashes All Available HP

from

$1798.99
Unleash power and sound while improving the looks on your Z4 M Coupe with this MACH Force-Xp 2-1/2″ 304 stainless steel cat back system. The larger diameter, mandrel bent tubing along with high-flow, stainless steel mufflers are less restricting for maximum flow, optimum sound and long lasting good looks. 100% hand TIG-welded for proven quality and durability, this MACH Force-Xp system is finished off with quad 3″ polished, stainless steel exhaust tips with laser-etched aFe POWER logos to give your E86 a track-prepped, custom look. Performance Gains: In testing, the cat-back exhaust system resulted in gains up to +7 horsepower and +15 lbs. x ft. of torque, as measured on our in-house dyno. Quad 3″ Diameter Stainless Steel Tips: Quad, rear exit, 3″ diameter, angle cut stainless steel exhaust tips with an aFe POWER logo laser-etched on the top for a custom look. High-Flow Performance Muffler: Incorporating less-restricting dual, high-flow, 304 stainless steel mufflers into the exhaust system to eliminate exhaust drone, maintaining a smooth, unique sound. 2-1/2″ 304 Stainless Steel Tubing: Less restrictive than stock exhaust allows maximum flow and low turbulence; increasing torque, horsepower and improved throttle response. Perfect Fit: 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. Hassle-Free Installation: This exhaust system is designed to be a true bolt on system with no cutting or modifications required. Quality hardware and clamps are included for a hassle-free installation.

Product Features:
  • +15 ft. x lbs. TQ & +15 HP
  • Mandrel Bent 304 Stainless Steel Tubing
  • Improved Performance and Rust Resistant Finish
  • 100 Percent Hand TIG-Welded For Race Proven Strength
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 15 HP (Part No.49-36344-B)

MACH Force-Xp Cat Back Exhaust System: Black Tip, 304 Stainless Steel, Gain up to 15 HP

from

$1798.99
aFe POWER MACH Force-Xp series exhaust system is designed to get you there with speed and style. Constructed from mandrel-bent, 304 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This system utilizes a less-restricting, high-flow muffler to improves performance while maintaining a deep, smooth tone. 100% hand MIG-welded by certified craftsmen for proven quality and durability.

Product Features:
  • Delivering power, sound, and style
  • Utilizes High-Flow Stainless Steel Muffler
  • Mandrel-Bent Tubing for Improved Flow
  • OE-style flanges and Stainless Clamps for Improved Sealing Surface
See More

aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36335-P)

MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$1798.99
Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation; This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Dual 4″ Gloss Black Tips; Finishing off this system are dual 4″ diameter, gloss black, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style. Leak-Free Seal: High quality band clamps are used for a complete 360 degree sealing surface. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 3″ to 2-1/2″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:
  • 100% Hand TIG-Welded 304 Stainless Steel Tubing
  • Factory Style Exhaust Valve
  • Utilities High Flow Traverse Muffler w/High Temp Black Finish
  • Uses Factory Hanger Locations For Hassle Free Installation
See More

aFe POWER – MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36313)

MACH Force-Xp Cat Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

from

$1713.99
Introducing the new aFe Power MACH Force XP cat back exhaust system for the 07-13 BMW 328i E92 & E93 non-turbo. In recent testing, this system produced 4 horsepower and 8 lbs. x ft. of torque. This exhaust is constructed from 2.5in. brushed finish, mandrel bent, 304 stainless steel and is TIG-welded. A high flow, 304 stainless steel, single in dual out muffler was used to maximize performance across the power band while maintaining a great tone. To finish off this exhaust are dual, aFe laser etched, 3in. polished 304 stainless steel tips. This exhaust uses all factory hanger locations. Note: Cutting is required and should be performed by a skilled technician.

Product Features:
  • 2.5 in. Dia. 304 Stainless Steel
  • 16 in. Single In Dual Out Muffler
  • 100% Hand TIG-Welded
  • Dual 3 in. Cafe Laser Etched Tips
See More

MagnaFlow – Sport Series Cat-Back Performance Exhaust System (Part No.16542)

Sport Series Cat-Back Performance Exhaust System

from

$1697.99
The MagnaFlow Sport Series Cat-Back Performance Exhaust System 16542 16542 enhances your 3.0L 2007-2010 BMW with an aggressive character that is sure to help you stand out from the other BMW you encounter on the street. With its 2.5in. diameter fast-flowing mandrel bent main piping that passes through 2 Straight-Through mufflers before ending in a Dual Split Rear exit with 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this dyno-proven BMW exhaust system refuses to be ignored. As such, 16542 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 16542 is backed by MagnaFlow’s limited lifetime warranty.

Product Features:
  • Racing inspired sound
  • High-performance lightweight design
  • Dyno-proven performance
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aFe POWER – MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP (Part No.49-36327-P)

MACH Force-Xp Axel Back Exhaust System: Polished Tip, 304 Stainless Steel, Unleashes All Avail. HP

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$1409.99
aFe introduces the MACH Force XP dual axle-back exhaust system for the 11-14 Mustang GT V8-5.0L. In recent testing this system produced 18 horsepower and 15 lbs. x ft. of torque. This exhaust is constructed from 3 in. mandrel-bent, stainless steel and is MIG-welded. The system uses high-flow, stainless steel mufflers which improves performance across the power band while maintaining a great tone. To finish off this exhaust are dual, gloss black, 4 in. double wall, 304 stainless steel aFe laser etched tips. This exhaust uses all factory hanger locations for a hassle-free installation. No modifications necessary. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.

Product Features:
  • Increased Horsepower And Torque
  • Constructed From 2.5 Mandrel Bent Stainless Steel Tubing
  • TIG Welded
  • Incl. Dual High Flow Transverse Mufflers
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MagnaFlow – Touring Series Cat-Back Performance Exhaust System (Part No.16553)

Touring Series Cat-Back Performance Exhaust System

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$1369.99
The MagnaFlow 2008-2010 BMW 535i Touring Series Cat-Back Performance Exhaust System 16553 is the perfect partner for your 3.0L 2008-2010 BMW 535i to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.5in. main piping and 2 Straight-Through muffler that terminate in a Dual Straight Driver Side Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 16553 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW 535i exhaust system is compatible with 2008-2010 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your BMW 535i like a glove. 16553 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:
  • Mandrel bent tubing
  • 409 Stainless Steel Construction
  • Increased Horsepower and Torque
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FAQs for BMW 325i Exhaust System Kits

What are the most popular Exhaust System Kits for the BMW 325i?

With 2 brands you can trust, our most popular Exhaust System Kits for the BMW 325i are:
Touring Series Cat-Back Performance Exhaust System
from $1273.99
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Touring Series Cat-Back Performance Exhaust System
Exhaust System Kits
Touring Series Cat-Back Performance Exhaust System
from $1248.99
This product is not rated
Touring Series Cat-Back Performance Exhaust System
Exhaust System Kits