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This listing was ended by the seller because the item is no longer available.

Ships to:
United States
Ships to:
United States

Details about  2009-12 Challenger RT R/T 5.7L SLP Loud Mouth II Exhaust

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2009-12 Challenger RT R/T 5.7L SLP Loud Mouth II Exhaust
Item Ended
Item condition:
See compatible vehicles
Mar 20, 2013 07:38:25 PDT
US $699.95
$51.43 Standard Shipping | See details
Item location:
Toms River, New Jersey, United States

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Last updated on  Jan 18, 2013 07:13:36 PST  View all revisions

Item specifics



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SLP Performance Parts

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2009-12 Dodge Challenger RT 5.7L HEMI 

Loud Mouth II Exhaust



This listing is for one (SLP # D31030) 2009-12 Dodge Challenger RT 5.7L "Loud Mouth II" Axle-Back Exhaust.

Now available from SLP is the Stainless Steel Modular Cat-Back Exhaust System for the 2009-12 Challenger 5.7L HEMI R/T. It is available in Loud Mouth®, Loud Mouth II® and PowerFlo® 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 SLP's innovative modular technology. This enables customers the flexibility to change the performance and noise-level characteristics by switching from our bullet-style Loud Mouth® resonators, to our quieter Loud Mouth II® mufflers, or for that more civil muscular sound the PowerFlo® mufflers in order to suit their individual requirements (cutting of rear pipes is needed to switch from the Loud Mouth Series to the PowerFlo Series).

Each system is constructed from 3" stainless steel mandrel-bent tubing for unrestricted flow with an integrated 3.0" PowerFlo-X® crossover pipe that will bolt to the factory 2.5" down pipes. Re-use your factory Challenger Square Exhaust Tips. Easy bolt-on installation and all hardware and installation instructions are included, backed by SLP's Lifetime Warranty.

NOTE: Designed to work with STOCK exhaust manifolds. If upgrading to our Long Tube Headers use part #D30005 (Headers)

Loud Mouth II® Cat-Back Exhaust System for 5.7L R/T features:

  • Stainless Steel 3" Mandrel-Bent Tubing
  • Polished Loud Mouth II® Mufflers w/SLP's logo embossed in the body
  • Integrated PowerFlo-X® Crossover Pipe w/2.5" Inlet
  • Re-uses Factory Challenger Tips
  • Covered by SLP's Performance Guarantee and Lifetime Warranty


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