11-14 Shelby GT500 MRT Extreme Non catted H pipe

The SVT second-gen Mustang Shelby GT500 is already one of the most powerful, commanding and eye-catching cars you can get in factory form. Plenty of people are looking to squeeze even more from their machine, though - which is where the 2011-14 Shelby GT500 Extreme H Pipe comes in. This shape has a deeper, smoother and more refined tone than the X pipe common in many Mustang high-performance exhaust systems. Your modern Shelby GT500 will sound more like the original GT500 muscle car that came out in 1967, giving this 540-horsepower beast a retro spin that's sure to impress onlookers.

A Fast Way to Upgrade

Swapping your Mustang GT500 H pipe is one of the easiest ways to Hear the Difference, Feel the Performance and Get Noticed. The initial installation takes just an hour using standard hand tools, though tuning may be necessary to get the maximum impact. Made of T304 stainless steel with mandrel bends, the 2.5-inch tubing is designed to match the loud, proud DNA that sits inside one of the most famous American cars. Note that since this product is non-catted and can only be used for racing, shows, closed circuit track days and other off-road applications.

Looking for even more gains? You can install the H pipe with an MRT 2011-2014 Ford Shelby GT500 Sport Touring Axle Back. The two products combine to produce the effect of an advanced cat back exhaust, giving you a big boost in horsepower and efficiency. All our systems are designed, engineered and handcrafted in the U.S. with a limited lifetime warranty.

This product is designed for off-road, race use only.

• How does it sound? The Shelby GT500 MRT Extreme Non catted H pipe #93P601 has a refined, deep muscle car sound
• Is there drone or resonance? The drone is noticeable but tolerable.
• What if I step on it? Wide-open throttle increases exhaust loudness and tone to an aggressive performance sound.