2008-2014 Challenger 5.7L and SRT-8 6.1/6.4L LoudMouth II Exhaust System - For SLP Headers

Price: $849.95 (USD)
Part #: D31024
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Bolt-on some serious power with a LoudMouth Cat-Back Exhaust System Now available from LoudMouth is a Stainless Steel Cat-Back Modular Exhaust System for the 2008-2014 Challenger 6.1L/6.4L SRT-8 and 5.7L R/T. It is available in LoudMouth® and LoudMouth II® designs. Thanks to the modular design, either resonators or mufflers can be ordered individually and interchanged separately.

These systems provide a noticeable performance gain of up to 12 horsepower and are designed using LoudMouth's innovative modular technology. This enables customers the flexibility to change the performance and noise-level characteristics by switching from our bullet-style resonators, to our quieter mufflers, in order to suit their individual requirements.

Each system is constructed from 3" stainless steel mandrel-bent tubing for unrestricted flow with an integrated PowerFlo-X® crossover pipe with full 3" down-pipes, which bolt to SLP Long-Tube headers. Re-use your factory Challenger Square Exhaust Tips. All hardware and installation instructions are included, backed by SLP's Lifetime Warranty.

NOTE: Designed to work with SLP Long Tube Headers Part #D30009 (6.1L/6.4L SRT-8) & Part #D30004 (5.7L R/T)

LoudMouth II Cat-Back Exhaust System for 6.1L/6.4L SRT-8 / 5.7L R/T features:
  • Stainless Steel 3" Mandrel-Bent Tubing
  • Polished Mufflers w/SLP's logo embossed in the body
  • Integrated PowerFlo-X Crossover Pipe w/2.75" Inlet
  • Factory Style Ball-Band Clamps included to re-use Factory Challenger Tips
  • Easy, bolt-on installation (no welding required)
  • All Hardware and Installation Instructions are included
  • Covered by SLP's Performance Guarantee and Lifetime Warranty
  • Challenger 5.7L Hemi - 2008, 2009, 2010, 2011, 2012, 2013, 2014
  • Challenger SRT 8, 6.1L, 6.4L Hemi - 2008, 2009, 2010, 2011, 2012, 2013, 2014
  • Hours: 1.5
  • Tools: Shop Tools
  • Install Difficulty: Intermediate

SLP D31024 Loud Mouth II Instructions