Designed for the 3.8L Jeep Wrangler, this cat-back performance exhaust system features a weight-optimized, durable stainless steel design that closely follows the undercarriage for improved ground clearance and superior boulder-climbing capability. It is dyno-tested and corrosion resistant.
The system produces MagnaFlow’s powerful, resonant signature exhaust note, with Aggressive exterior and Moderate interior sound levels. Its turndown-style, tipless exit improves departure angles and provides more options for traversing tricky boulders and other off-road obstacles.
Exhaust kit 15238 has an emissions-legal cat-back design that replaces the exhaust components from the catalytic converter back. Its 2.5in. diameter mandrel bent main piping passes through one Straight-Through muffler. Extensive 3D scanning was used to develop the direct-fit design for do-it-yourself installation, and advanced CNC precision robotic manufacturing techniques are used to produce the system. It is backed by MagnaFlow’s limited lifetime warranty.
*Excludes models with Plastic Rear Fascia. Features a Single Straight Driver Side Rear Exit.
| Brand | MagnaFlow Performance |
| Series | Rock Crawler |
| Sound Level | Aggressive |
| Exhaust exit | Single straight rear exit, driver side |
| Main pipe diameter (in) | 2.5 |
| Material | Stainless Steel |
| Interior sound level | Moderate |
| Number of mufflers | 1 |
| Mounting type | Clamp-on |
| Engine | 3.8L V6 Gas |
| Note | Excluding Models with Plastic Rear Fascia |
| Box Weight | 26.2 lbs |
| Box Length | 45.8 in |
| Box Width | 13.8 in |
| Box Height | 11.4 in |
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Fitment
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