Flowmaster part # 817689 aggressive cat back fits 2014 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L V8 gas engine. Flowmaster's Outlaw Cat-back exhaust system thru Marken Performance is for the person looking for maximum sound levels both inside and outside of the truck, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR/DOS (Dual Out Rear or Dual Out Side) is emissions-legal.  It has stainless steel Super 10 Series muffler and dual mandrel bent 3” stainless steel tailpipes for maximum performance. The system also features Black Ceramic coated 4” double wall stainless steel tips.  The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty.  Designed for an easy fit, this system includes all necessary parts and hardware for installation.  Note: Fits Crew Cab and Double Cab models only. 

   Part # 817688 for 2009-2013 models for same aggressive Outlaw cat-back Super series 10.

  

  

 

  

   Flowmaster's American Thunder Cat-back exhaust system # 817690 thru Marken Performance fits 2009-14 Ram 1500 Std Cab/8' Bed, Crew Cab/5'7” Bed, and Quad Cab/6'4” Bed trucks. Models with 4.7 L and 5.7L gas engine and coil spring rear suspension. It is perfect for the person looking for an aggressive sound level inside and outside of the truck, just the way we like it at Marken Performance, with all of the performance benefits that you would expect from Flowmaster.  This bolt-on DOR/DOS (Dual Out Rear/ Dual Out Side) emissions-legal system features a stainless steel Super 10 Series HD muffler and dual 3” stainless steel tubing.  Like all Flowmaster systems the pipes are all mandrel bent to reduce any restrictions and maximize performance. The system finishes off with polished 4” stainless steel tips.  The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty.  Designed for an easy fit, this system includes all necessary parts and hardware for installation.  Note: Does not fit with optional air bag suspension.

  

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