SLP Loud Mouth Axle Back Exhaust System with 4" Tips for 2011-20123 Mustang GTs and Shelby GT500s. Excludes 2014 GT500Your 2011-2014 Mustang GT V8 packs a powerful 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!
-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
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Sounds fantastic, much louder then stock. Easy to install, took about 45 minutes on the lift, if you're installing it on the ground it will probably take you longer. If you do alot of highway driving and like a quieter ride you may not like these because cruising at 70 is very loud inside and out. A little raspy when downshifting in higher RPM's but none the less sounds great, I love them!
Took me about an hour. Didnt need to lift the car, just did it in my drive way. Youll need a little patients getting it aligned though. Great sound, no drone at idle going 70 on highway.
This system is great. Installation took me about an hour and I'm far from a mechanic. Basic tools and a little patience is all you need. Makes the car unto a whole new beast. Extremely loud and throaty. CJPONYPARTS got it here fast even through the Christmas holiday. Wish I could give it more stars.
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