Flowmaster

Flowmaster 817853 American Thunder Cat-back Exhaust System

Compatible with 2019-2020 GM Silverado/Sierra 1500 (New Body Style) 5.3L engines. (See applications below)

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$877.46
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$1,084.00
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5

Emissions

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2020 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50 in. stainless steel tailpipes for maximum performance and a deep sound. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50 in. double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.

Features:

  • Large 3.50 inch Polished 304 Stainless Tips
  • Uses the Factory Hanger Locations
  • Deep, Powerful Performance Tone
  • Full Stainless Steel Construction
  • Clears Factory Spare Tire
  • Lifetime Limited Warranty
  • Mandrel-bent Tubing
  • Easy Installation
Brand Flowmaster
Emission Code5
Product TypeCat-Back Exhaust Systems
UPC700042039012
Manufacturer Part Number817853
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
California Proposition 65 RequiredYes
Part Number817853
5

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Does not fit crew cab 2WD with 2-piece driveshaft, 2019 LD/classic body or trucks with factory dual exhaust tailpipes.
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