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Flowmaster

American Thunder Cat-back Exhaust System

  • Part # 817895
  • UPC 00700042039029
Regular price $1,810.64 CAD
Regular price $0.00 CAD Sale price $1,810.64 CAD
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  • Ships across Canada. No cross-border duty, brokerage or customs delays.
  • Flat $25 shipping, or free on orders of $250 or more. Same rate to every province and territory.
  • 30-day returns. A 20% restocking fee applies unless the mistake was ours.
  • Not sure it fits? Call 1 (888) 926-0442 before you order.
This Flowmaster® American Thunder® cat-back exhaust system for the 2019-2026 GM 1500 (new body style) trucks with 5.3L engine is perfect for the person looking for an aggressive sound level outside the truck, with a moderate interior tone and the performance benefits you would expect from Flowmaster. This emissions-legal bolt-on system fits all Crew Cab and Double Cab models with 5.5 and 6.5-ft long beds with factory dual exhaust option. Features include flex joint, mandrel-bent 3.00-inch stainless steel tubing flowing into a Super 40® Series muffler, dual 2.50-inch mandrel-bent stainless tailpipes that are finished off with quad 4.00-inch black ceramic coated stainless steel tips exiting out under the factory exhaust bezels. Designed for an easy fit, this system includes all necessary parts and hardware for an easy at home installation. Maximum dyno gains of 15 hp and 19 lb.ft. at the rear wheels. Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine. Fits models with 5.5 and 6.5-ft long beds with factory dual exhaust option.

Fits these vehicles

4 vehicles listed by the manufacturer for this part. Always confirm the fit for your exact trim before ordering — ask us if you are unsure.

YearsVehicle
2022Chevrolet Silverado 1500 LTD
2019-2026Chevrolet Silverado 1500
2022GMC Sierra 1500 Limited
2019-2026GMC Sierra 1500
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Specifications

Manufacturer part number
817895
Brand
Flowmaster
Part type
Exhaust System Kit
UPC
00700042039029
Shipping weight
55.9 lb
Ships as
Parcel
  • Ships across CanadaNo cross-border duty, brokerage or customs delays.
  • Fitment help before you buySend us your VIN or trim and we'll confirm the exact part number.
  • Real people on the phoneTalk to someone who actually tows, not a call centre.
  • Priced in CADThe price you see is the price you pay.