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1999-04 Mustang GT SLP "Loud Mouth II" Exhaust System (Modular)

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only: $494.99

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  • SLPs Mustang LoudMouthII has always been the best performing cat-back exhaust in the business. Now its the most versatile, too! Using groundbreaking modular technology first seen on our Mustang X-pipes, weve developed a system that can be quickly reconfigured to fit changing performance, noise level, and sound quality requirements. Simply loosen a few band clamps, swap muffler types, retighten, and youre done. No other system offers this level of performance and adaptability!

  • Along with the included race mufflers, the Loud Mouth II system is compatible with our original Loud Mouth resonators (#31062) and our all new, straight-through type PowerFlo traditional mufflers (#31065). Buy all three for complete control over your Mustang sound and performance characteristics.

  • NOTES: Includes Loud Mouth II race mufflers. Loud Mouth resonators and Powerflo traditional mufflers sold separately.

FEATURES:

  • Includes Loud Mouth II bullet-type race mufflers for minimal restriction, reduced resonance, and an aggressive tone
  • Employs SLPs exclusive modular technology, making it possible to switch between muffler and resonator types in a matter of minutes
  • Engineered and built to OEM standards to ensure proper fit
  • Constructed entirely from mandrel-bent 304 stainless steel
  • Features show quality polished mufflers and 3.5" double-*wall tips with electromarked SLP logo
  • For 1999-2004 GT and Mach I models

  • SLP Part Number: M31007A

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