“...Notes: Fits 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 5.3L engine...”
“Fits 2019-2026 (New body) Chevrolet Silverado 1500/GMC Sierra 1500 with 5.3L engine...”
Confirm fitment with the part number before ordering.
Product information
Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
Product description
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
Features
Large 4.00-inch Black Ceramic Coated Stainless Quad Tips
Max Dyno Gains of 15 hp and 19 lb.ft. of Torque
Moderate Interior with Aggressive Exterior Tone
Uses the Factory Hanger Locations
Large Volume Super 40 Muffler
Stainless Steel Construction
Lifetime Limited Warranty
Easy Installation
Manufacturer notes
Does Not fit 2019 LD/classic body style or trucks with factory single exhaust system. Does not fit models with the Multimatic suspension option.
Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catback
UPC / barcode
700042039029
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
No
Not CARB approved
No
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information
Other product descriptions
Flowmaster 19-25 GM 1500 5.3L American Thunder Cat-Back Exhaust System - Quad Tips
1925 GM 1500 53L AMT DOR QUAD TIPS
Stainless Kits
About the manufacturer
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.
Additional manufacturer information
FLM EXHSYSKT
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