Description
Part #: slpM31023
Your 2011-2014 Mustang GT 5.0, 2012-2013 Boss 302, and 2011-2012 Shelby GT500 packs a thoroughbred of an engine, why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the Pony within, with a
LoudMouth® Rear-Axle Back Exhaust System. 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!
LoudMouth Axle-Back Exhaust System Features:
- Mandrel-bent 2.5″ 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
Fitments:
- Mustang GT – 2011, 2012, 2013, 2014
- Mustang GT500 – 2011, 2012
- Mustang Boss 302 – 2012, 2013






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