Product description
2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L & 5.3L engine. - Aggressive to moderate sound
Flowmaster Flow FX Cat-Back Exhaust System
Enter Garage“...f Flow FX Cat-back exhaust systems for the 2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L and 5.3L engine...”
“2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L & 5.3L engine...”
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Supplier details checked 2026-09-23 · Test catalog
2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L & 5.3L engine. - Aggressive to moderate sound
Flowmaster Flow FX Cat-Back Exhaust System
Includes all Clamps, Hangers and Necessary Hardware
Flow FX "Straight-through" Performance Muffler
Large 4.00-inch Black Ceramic Coated Tips
Stainless Steel Mandrel Bent Tubing
Dyno-Tuned For Maximum Performance
Moderate/Aggressive Sound
Lifetime Limited Warranty
Easy Installation
Does Not Fit Crew Cab 2WD with 2 Pc Driveshaft
Flowmaster 14-18 GM 1500 5.3L CC&DC FlowFX Cat-Back Exhaust System
1418 GM 1500 53L CCDC FFX DOSS
SYS 14-18 GM 1500 5.
Introducing Flowmaster's new line of Flow FX Cat-back exhaust systems for the 2014-2019* (*Classic body) Chevrolet Silverado 1500 and GMC Sierra 1500 Crew Cab and Double Cab models with 4.3L and 5.3L engine. This Flow FX system is perfect for the person looking for a moderate to aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster. Features include 409S stainless steel mandrel-bent tubing flowing into a Flow FX straight-through performance muffler for maximum power and a deep aggressive sound. The dual 2.50-inch tailpipes are finished off with large 4.00-inch black ceramic coated 304 stainless steel tips exiting in front of the rear passenger tire for that muscle truck look. Designed for easy installation, this system includes all necessary parts, hardware and detailed instructions.
SYS 14-18 GM