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Supplier details checked 2026-09-23 · Test catalog
Fits 2019-2026 GM 1500 2.7-Liter Cat-Back, Dual Side Exit, Stainless Steel Exhaust System
Flowmaster Flow FX Cat-Back Exhaust System
Single 3.50-inch to dual 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
Flow FX “straight through” performance muffler delivers a deep, moderate performance tone and improves exhaust flow
Includes complete hardware and factory styled hangers in the stock locations for an easy installation
Max increases of up to 9 hp and 12 lb-ft over the stock exhaust at the rear wheels
4.50-inch black ceramic coated tips add a custom look to the truck
2019-2026 GM 1500 trucks with 2.7-liter engines. Fits 2 & 4-wheel drive, 147-inch and 157-inch Wheelbases.
Flowmaster 19-24 GM 1500 Trucks 2.7T FlowFX Exhaust System
1924 GM 1500 TRUCKS 27T FFX DORS
SYS 19-24 GM 1500 TR
This Flowmaster® Flow FX® cat-back exhaust system for the 2019-2026 GM 1500 trucks with the 2.7-liter turbo engine and a 147-inch or 157-inch wheelbase. This system is manufactured using durable 409 stainless steel throughout and features single 3.50-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow, and a Flow FX "straight-through" muffler is used for a moderate sound level and maximum performance. Maximum increases on the dyno revealed +9 hp and +12 lb-ft at the rear wheels. This system exits out both sides, behind the rear wheels with 4.50-inch black ceramic tips for added style and a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.
SYS 19-24 GM
