Your 2011-12 Mustang GT 5.0, Shelby GT500 or Boss 302 packs a thoroughbred of an engine, why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the Pony within, with a Loud Mouth™ rear-axle back exhaust system from SLP Performance Parts. This affordable, easy-to-install kit eliminates the factory mufflers entirely, drastically reducing backpressure for enhanced power and a mind-blowing performance sound. Nothing else even comes close! Combined with our 4" polished tips, you'll really feel and hear the difference!

Loud Mouth™ Axle-Back Exhaust System features:
Mandrel-bent 3" tubing offers unbeatable flow characteristics
Significantly lighter than the OEM muffler assembly
Installs in under an hour
Constructed entirely from stainless steel
Hand-polished, 4" dual-wall tips provide a show-quality appearance
Emissions legal in all 50 states
Includes pre-welded hangers, detailed instructions, and all necessary installation hardware
Covered by SLP's Performance Guarantee and limited lifetime warranty