SLP Exhaust System 2008-12 SRT-8 Challenger PowerFlo use w/stock exhaust manifolds.
SLP's all-new Stainless Steel PowerFlo™ Cat-Back Exhaust System for the 2008-10 Challenger 6.1L SRT-8 and 5.7L R/T is now available. This system provides up to a 10 horsepower gain with a deep muscle car rumble and no interior cabin resonance. This system is SLP's system of choice when running SLP's Long-Tube headers and high-flow cats for that civil but muscular sound.
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 SRT-8) & part #D30004 (5.7L R/T) PowerFlo™ catalyst-back exhaust system for 6.1L SRT-8 / 5.7L R/T features:
Stainless Steel 3 Mandrel-Bent Tubing
Polished Loud Mouth II™ Resonators and PowerFlo™ Mufflers w/SLP's logo embossed in the body
Integrated PowerFlo-X™ Crossover Pipe w/3 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
Applications:
2008 - 2012 Dodge Challenger
SLP Exhaust Type Descriptions/Definitions/Details: (use as a guide to the exhaust system on this page for details about the muffler type.)
Model
Type
Sound Characteristics*
Noise Level*
Bullet-Type Open Resonator (or muffler delete)
Extremely aggressive; powerful high- and mid-range tones with
moderate resonance
Muffling, Bullet- Type Resonator
Similar to original Loud Mouth, but with a throatier tone and reduced
resonance
Straight-Through "Traditional" Muffler
Deep, rich, and mellow; minimal resonance
*
Volume and sound quality will vary based on engine and exhaust-system
specifications. Loudmouth also refers to some systems without any resonators such as the 2010 Camaro Loud Mouth and the 2005 Mustang Loud Mouth Axle backs where the mufflers are removed altogether. Images below are representations in order to better understand the differences.
* Please note FREE Shipping refers to shipping within the contiguous contential US. All other locations extra.
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