Description- 

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

Installation Instructions- 

• Install Hours: 2
• Tools: Shop Tools
• Install Difficulty: Intermediate

SLP M31023 Loud Mouth Exhaust Instructions