Tech: Shelby GT350 Exhaust Install

00 Shelby GT350 Exhaust Install Featured

GT350 Growl

Lethal Performance upgrades its Shelby with a Magnaflow cat-back & more

By Steve Turner
Photos by Steve Turner and courtesy of Magnaflow

Born with an dual-mode exhaust from the factory, the Shelby GT350 is already one of the best sounding Mustangs ever built. That’s especially true of the R-model, which doesn’t wear resonators before the mufflers like the standard Shelby does. But it could always sound better, right?

Built from 3-inch stainless steel tubing, Magnaflow’s new cat-back exhaust for the 2015+ Shelby GT350 (PN MAG-19283) features an integral X-pipe crossover and a set of the company’s Competition mufflers specially designed for compatibility with the Shelby’s factory exhaust modes. It is the first system to offer such a feature for the GT350. Lethal Performance opted to install the system with the stainless steel tips seen here, but there is also a version with carbon-fiber tips (PN MAG-19299)!
Built from 3-inch stainless steel tubing, Magnaflow’s new cat-back exhaust for the 2015+ Shelby GT350 (PN MAG-19283) features an integral X-pipe crossover and a set of the company’s Competition mufflers specially designed for compatibility with the Shelby’s factory exhaust modes. It is the first system to offer such a feature for the GT350. Lethal Performance opted to install the system with the stainless steel tips seen here, but there is also a version with carbon-fiber tips (PN MAG-19299)!

Lethal Performance has already taken its GT350 project over 800 rear-wheel horsepower with the addition of a Whipple 2.9-liter supercharger, but that was with the factory cat-back exhaust in place. To free up some exhaust flow and rev up the car’s auditory personality, the company chose to upgrade the exhaust with Magnaflow’s cat-back system (PN MAG-19283).

For the full story, click here to visit the thread on our forum.

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