Designed for a 3.6L Jeep, the MagnaFlow Rock Crawler Series Cat-Back Performance Exhaust System 15237 delivers superior boulder-climbing capability with a weight-optimized, dyno-tested, corrosion-resistant and durable stainless steel design. Its close-fitting profile follows the undercarriage to improve ground clearance.
The exhaust system produces MagnaFlow’s powerful, resonant signature exhaust note, with Aggressive exterior and Moderate interior sound levels. Extensive 3D scanning supports its direct-fit design and do-it-yourself installation process. This emissions-legal cat-back system replaces the exhaust components from the catalytic converter back, using 2.5-inch-diameter mandrel-bent main piping that passes through one Straight-Through muffler. A turndown-style, tipless exit improves departure angles and provides more options for traversing tricky boulders and other off-road obstacles. Advanced CNC precision robotic manufacturing techniques are used to produce the system, which is backed by MagnaFlow’s limited lifetime warranty.
*Excludes models with a 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 | 3.6L V6 Gas |
| Note | Excluding Models with Plastic Rear Fascia |
| Cab | 4 Door |
| Box Weight | 28.7 lbs |
| Box Length | 45.8 in |
| Box Width | 13.2 in |
| Box Height | 11.4 in |
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Fitment
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2012||Jeep||Wrangler JK, 2013||Jeep||Wrangler JK, 2014||Jeep||Wrangler JK, 2015||Jeep||Wrangler JK, 2016||Jeep||Wrangler JK, 2017||Jeep||Wrangler JK, 2018||Jeep||Wrangler JK
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