
FlowFX Extreme Series Cat-Back Exhaust System for 2014-2019 Chevy Silverado, GMC Sierra 4.3L, 5.3L Engines
Flowmaster 717976 FlowFX Extreme Cat-Back Exhaust System Features:
- 11 Horsepower and 15 ft./lbs. of torque increase at rear wheels
- Powerful deep sound inside & outside the vehicle
- Dump style exhaust tip after the muffler eliminates over-the-axle routing
- Greatly improved ground clearance and departure angle for serious off-roading
- Attaches with included hardware to factory hanger locations for easy install
Emissions: This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.
Extreme Off-Road, High-Clearance Exhaust Upgrade
Flowmaster FlowFX Extreme Series Exhaust Kits give your vehicle the exhaust sound you want without offending the entire neighborhood. These dump-style exit systems eliminate the tailpipe after the rear axle for better performance and ground clearance. Mandrel-bent, 16-gauge, 409S stainless steel ensures durability and corrosion resistance, and the 3.0 in. diameter tubing allows maximum flow.






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