2003 Toyota 4Runner Exhaust System Kits

Essential 2003 Toyota 4Runner Exhaust System Kits

MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15145)

Street Series Cat-Back Performance Exhaust System

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$984.99
The MagnaFlow 2010-2024 Toyota 4Runner Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.0L 2010-2023 Toyota 4Runner 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 4in. Polished Welded-On Double Wall Angle Cut Rolled Edge tips, this Toyota 4Runner 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 Toyota 4Runner’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 15145 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. 15145 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:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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Borla Performance Exhaust – T-304 Ss, 2.5"Pipe Dia, Single Exhaust With Single Exit, 4.25"X 3.5"Oval (Part No.140379)

T-304 Ss, 2.5"Pipe Dia, Single Exhaust With Single Exit, 4.25"X 3.5"Oval

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$799.99
The BORLA(R) Cat-Back(TM) Name Implies The Exhaust System Is Located Behind The Factory Catalytic Converter Where There Factory Emissions Remain Untouched And Vehicle Stays Emissions Compliant. This Remains Distinct From The Axle Back Exhaust System that Is Located Behind The Rear Axle.

Product Features:
  • Features Patented Straight-Through And Multi-Core Technology To Unleash Hidden Horsepower
  • Increases The Overall Sound Level And Performance
  • Cat-Back(TM) Performance Exhaust System Replaces The Factory Exhaust System Following The Same Exhaust Path And Secured Using The Original Vehicle Hangars And Rubber Isolators
  • Pioneered The Automotive Exhaust Aftermarket In Exhausts Constructed In Aircraft Grade 304 Stainless Steel Tubing, A Material With Higher Content Of Carbon And Nickel That Will Not Rust Or Corrode
  • Touring Systems Are Calibrated On A Vehicle-By-Vehicle Basis To Deliver The MostáDesirableáSound
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MagnaFlow – Street Series Cat-Back Performance Exhaust System (Part No.15781)

Street Series Cat-Back Performance Exhaust System

from

$938.99
The MagnaFlow 2003-2009 Toyota 4Runner Street Series Cat-Back Performance Exhaust System brings out the personality of your 4.0L, 4.7L 2003-2009 Toyota 4Runner 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 Dual Same Side Behind Passenger Rear Tire exit with 3 x 3.75in. Polished Welded-On Double Wall Straight Cut Rolled Edge tips, this Toyota 4Runner 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 Toyota 4Runner’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 15781 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. 15781 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:
  • Dyno-proven performance
  • Durable corrosion-resistant stainless steel construction
  • CNC precision robotic manufacturing techniques
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JBA Performance – 40-9010 2 1/4" Stainless Steel Exhaust System 96-98 4Runner 2.7/3.4L 2/4 Wheel Drive (Part No.40-9010)

40-9010 2 1/4" Stainless Steel Exhaust System 96-98 4Runner 2.7/3.4L 2/4 Wheel Drive

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$514.99
When it comes to performance exhaust systems, most people are looking for three things: Power, sound,and quality. JBA Exhaust Systems deliver the best of all three, giving it both great looks and performance.One of the first performance upgrades typical

Product Features:
  • JBA Performance Exhaust 40-9010 2 1/4″ Stainless Steel Exhaust System 96-98 4Runner 2.7/3.4L 2/4 Wheel Drive
  • Large diameter stainless steel mandrel-bent tube
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Walker – Exhaust 36454 Exhaust Bolt and Spring (Part No.36454)

Exhaust 36454 Exhaust Bolt and Spring

from

$17.49
Complete your exhaust repair with a Walker spring bolt kit. Designed to ensure a tight connection and inhibit leaks, Walker hardware is manufactured from durable and robust material for long service life.

Product Features:
  • KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
  • CONSISTENT PERFORMANCE — Spring designed with the right compression strength for a secure connection
  • PREMIUM MATERIALS — Made from high-quality materials for durability and long life
  • THE RIGHT CONNECTION — Designed to be used for ball and socket joint
  • BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade
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BRExhaust – Exhaust Bolt, Nut, and Spring Kit (Part No.254-9910)

Exhaust Bolt, Nut, and Spring Kit

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$23.49
BRExhaust offers exhaust flange bolts and kits to secure their premium line of exhaust replacement components. Each component delivers the strength of steel, a proper fit and an easier install or repair. BRExhaust has individual bolts, as well as bolts with springs and nuts to get your project completed. Choose the individual part or kit designed to fit on your vehicle application. The exact fit, easy installation and enduring functionality of BRExhaust’s OE replacement spring and bolt kits instantly equip your ride with optimally restored emissions control.
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2003 Toyota 4Runner Exhaust System Kits

Maybe you’re in the middle of a full rebuild of that 2003 Toyota 4Runner. Maybe you just need a couple of Exhaust System Kits. Either way, Advance Auto Parts has 3 different Exhaust System Kits in our inventory ranging from $17.49 to $938.99. That means you can find the exact parts or products you need to keep that 2003 Toyota 4Runner running smoothly.

Exhaust System Kits are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Toyota 4Runner. Walker, BRExhaust, and Magnaflow are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Exhaust System Kits for your 2003 Toyota 4Runner, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Exhaust System Kits to keep your 2003 Toyota 4Runner rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Exhaust System Kits Brands To Make Your 2003 Toyota 4Runner Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Toyota 4Runner demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust System Kits make up Advance Auto Parts’ inventory, and all are ready to help make your 4Runner the best it can be. Be sure to browse some of our top Exhaust System Kits brands and parts.

Popular Walker Exhaust System Kits

We carry Walker parts in our stock across Exhaust Manifold Hardware Kits categories, plus more. For a 2003 Toyota 4Runner, our most popular Walker Exhaust System Kits include:
Exhaust 36454 Exhaust Bolt and Spring
from $17.49
(51)
Exhaust 36454 Exhaust Bolt and Spring
Exhaust Manifold Hardware Kits

FAQs for 2003 Toyota 4Runner Exhaust System Kits

What are the most purchased Exhaust System Kits for the 2003 Toyota 4Runner?

Out of 3 Exhaust System Kits for the 2003 Toyota 4Runner, the most popular in our inventory are:
Exhaust Bolt, Nut, and Spring Kit
from $23.49
This product is not rated
Exhaust Bolt, Nut, and Spring Kit
Exhaust Manifold Hardware Kits
Street Series Cat-Back Performance Exhaust System
from $938.99
This product is not rated
Street Series Cat-Back Performance Exhaust System
Exhaust System Kits