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Supplier details checked 2026-09-23 · Test catalog
Fits 1996-1999 GM 1500 trucks with 5.7L, Cat-Back, dual out same side exit, stainless steel exhaust system
Flowmaster Flow FX Cat-Back Exhaust System
· 3.0 and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
· Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation
· This kit exits on the passenger side, just before the rear tire for a unique performance look
· Dual 4.0-inch black ceramic coated stainless steal tips add a custom look to the vehicle
· A Flow FX Series muffler delivers a deep performance tone and improve exhaust flow
· Fits all single cab and extended cab models in both 2 and 4 wheel drive
· Lifetime Limited Warranty
This exhaust kit is designed to fit 1500 and some 2500LD trucks with both left and right bank catalytic converters on the engine side of the 3-bolt flange of the down pipe. If your C/K 2500 truck has one catalytic converter on the engine side of the 3-bolt flange and one catalytic converter on the muffler side of the 3 bolt flange this kit will not work.
Flowmaster 96-99 GM 1500 5.7L FlowFX Cat-Back DOSS Exhaust System
9699 GM 1500 57L FFX CB DOSS
SYS 96-99 GM 1500 5.
This Flowmaster® Flow FX cat-back exhaust system is for the 1996-1999 GM 1500 trucks with the 5.7-liter engine. This system is manufactured using durable 409 stainless steel tubing and is mandrel bent for better exhaust gas flow. A Flow FX Series muffler is used for an improved sound level and maximum performance. This system uses dual 4.0-inch black ceramic coated tips that exit on the passenger side of the truck, just in front of the rear wheel. 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. This system fits all single cab and extended cab models in both 2 and 4 wheel drive. Backed by Flowmaster's Lifetime Limited Warranty.
SYS 96-99 GM
