1999-2004 Mustang Cobra LoudMouth II Exhaust System

Free Shipping Price: $675.95 (USD)
Part #: M31006A
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The best-performing cat-backs in the business are now the most versatile, too! Using groundbreaking modular technology first seen on our Mustang X-pipes, we've developed a new line of Exhaust Systems that can be quickly reconfigured to fit changing performance, noise-level, and sound-quality requirements. Simply loosen a few band clamps, swap muffler types, re-tighten, and you're done. No other cat-back offers this level of performance and adaptability!

This system includes our all-new SLP race mufflers, which combine flow characteristics similar to those of our original SLP resonators with a deeper tone and reduced resonance. Get both for complete control over your Cobra's sound and performance characteristics.

NOTES: Includes SLP race mufflers. SLP resonators (#31062) sold separately.

  • Provides up to 20 additional horsepower
  • Employs LoudMouth's exclusive modular technology, making it possible to switch between muffler and resonator types in a matter of minutes
  • Includes our new SLP race mufflers for superior flow, an ultra-aggressive tone, and minimal resonance
  • Engineered and built to OEM standards to ensure proper fit
  • Constructed entirely from mandrel-bent stainless steel
  • Features show-quality polished resonators and 3.5" double-wall tips with elektromarked SLP logo
  • For 1999-2004 SVT Cobra models

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
  • Mustang Cobra - 1999, 2000, 2001, 2002, 2003, 2004
  • Install Hours: 1.5
  • Tools: Shop Tools
  • Install Difficulty: Intermediate

SLP M31006A Loud Mouth II Exhaust Instructions