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  1. SLP Mustang "Loud Mouth" Axle-Back Exhaust

    SLP 2007+ Shelby GT500 "Loud Mouth" Axle-Back Exhaust

    Your 2007+ Shelby GT500 packs a huge amount of power. Why bottle it up with restrictive, wimpy-sounding stock mufflers? Unleash the stallion within, with a Loud Mouth rear-section 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!


  2. Mandrel-bent 2.5" tubing offers unbeatable flow characteristics
  3. Significantly lighter than the OEM muffler assembly
  4. Installs in under 30 minutes
  5. Constructed entirely from 304 stainless steel
  6. Hand-polished, 3.5" dual-wall tips provide a show-quality appearance
  7. Emissions legal in all 50 states
  8. Includes pre-welded hangers, detailed instructions, and all necessary installation hardware
  9. Covered by SLPs Performance Guarantee and limited lifetime warranty
  10. Learn More

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