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High-Clearance Jeep Wrangler JK Exhaust

Posted in How To: Engine on December 1, 2011
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If you hate the factory rear-mounted muffler on your Jeep Wrangler JK, you need to take a look at MBRP’s Off-Road Exhaust System. This bolt-on, after-cat system mounts a much smaller muffler under the center of the vehicle where it’s less likely to be damaged. The system is available in three versions; black powdercoat, aluminized steel, and T409 stainless steel, for two- and four-door JKs. (FYI, if you install the two-door version, you have to use MBRP’s Heat Shield/Charcoal Canister Relocation Kit.) An added bonus is that MBRP says this kit can improve fuel economy by 1-2 mpg and offers an increase of 9 rear-wheel horsepower and 15 lb-ft of torque.

Our kit contained an extension pipe, over-axle pipe, tailpipe, muffler, and four 2½-inch-diameter clamps.

We recently had the opportunity to watch a T409 system being installed on a JK four-door at Moab Offroad in Louisville, Kentucky. Here are the highlights of this easy install.

The first thing you have to do is remove the stock exhaust system. Begin by removing the transfer case skidplate.
PhotosView Slideshow


MBRP Performance Exhaust
Moab Offroad
Louisville, KY

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