2010-2024
2003-2009
Installation Time
(approx) 1 Hour
Difficulty Level:
Mechanical expertise or professional installation required.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Find Cat-Back Exhaust for your 4Runner
Magnaflow Street Series Cat-Back Exhaust System (03-09 4Runner)Find parts that fit my vehicle
Item TR12231
Our Price
$1,049.00 kit
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$52.45 Available in XT Cash Rewards.
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Cat-Back Exhaust System
- Street Series engineered for resonant throaty sound
- Single straight-through muffler
- Made of corrosion-resistant stainless steel
- Includes hangers and clamps
- Does not include mounting bracket, gasket, or seal
- Bolt-on inlet type for direct fit
- Pipe diameter 2.5 inches mandrel bent
- Dual same-side rear exit
- Polished welded-on double wall rolled edge tips, 3.75 inches diameter
- Moderate exterior sound level
- Mild interior sound level
- Designed with extensive 3D scanning for precise fitment
- Includes all necessary hardware for installation
- Backed by 1-year limited finish warranty
- Backed by limited lifetime construction warranty
- Manufactured using CNC precision robotic techniques
- Made in the USA
- Dynamometer proven to increase engine power and flow efficiency
- Includes 3.75 inch dual exhaust tips positioned behind passenger rear tire
- System replaces stock parts from near catalytic converter back
- Resonant, powerful engine tone designed to enhance driving experience
- Fitment for 2003-2009 Toyota 4Runner, excluding other models and generations
| Brand | Magnaflow |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 2.50 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Loudness | Moderate |
Description
Performance Exhaust Upgrade. The Magnaflow Street Series Cat-Back Exhaust System enhances exhaust flow on your vehicle, improving both power and sound. This system replaces stock exhaust components from near the catalytic converter back, delivering a resonant, powerful engine tone and optimized gas evacuation for better performance.
Construction and Appearance. Crafted from durable, corrosion-resistant stainless steel and manufactured using CNC precision robotic techniques, this exhaust system features mandrel-bent piping and polished welded-on double-wall tips for a sleek and long-lasting finish. Proudly made in the USA.
Installation. Designed as a bolt-on direct-fit system, installation is straightforward and requires no drilling, making it accessible for most users. All necessary hardware is included to ensure a smooth installation process.
Warranty. This product is backed by a 1-year limited finish warranty and a limited lifetime construction warranty, reflecting its quality and durability.
Application. Specifically designed to fit 2003-2009 Toyota 4Runner models only, excluding other years and generations.
Magnaflow 15781
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intermediate Pipe
- (1) Muffler
- (1) Tailpipe
4.5
Customer Reviews (91)
Questions & Answers
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