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Flowmaster 19-25 GM 1500 5.3L American Thunder Cat-Back Exhaust System - Quad Tips

Flowmaster · New

Flowmaster 19-25 GM 1500 5.3L American Thunder Cat-Back Exhaust System - Quad Tips

MPN 817895 · Store SKU flo817895

$1,349.95
IN STOCK6 ready to ship

Supplier stock checked 11/8/2026, 2:29:48 AM UTC. Adding a part does not reserve it.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

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 2019-2026 (New body) Chevrolet Silverado 1500/GMC Sierra 1500 with 5.3L engine. - Aggressive to moderate sound Flowmaster American Thunder Cat-back Exhaust System

Manufacturer fitment & guides

Check 817895 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • Emissions acknowledgement required before purchase.
  • California Proposition 65: Y
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