Looking for a moderate exhaust note on your 2011-2019 Chevrolet Silverado 2500 HD, 3500 HD, GMC Sierra 2500 HD, 3500 HD? This Flow FX cat-back exhaust system trades the restrictive factory piping for mandrel-bent 409 stainless steel tubing and ends in single side exit 5 in. black ceramic tips.

Flowmaster 717931 Features:

• 3.5 in. mandrel-bent 409 stainless steel tubing in 16-gauge.
• Single Side Exit with 5 in. black ceramic tips.
• Flow FX series straight-through muffler for moderate sound.
• Clamps and factory-style hangers for the stock locations are included.

Flowmaster 717931 Applications:

• 2011-2019 Chevrolet Silverado 2500 HD, 3500 HD 6.0L
• 2011-2019 GMC Sierra 2500 HD, 3500 HD 6.0L

Flowmaster 717931 Compatibility Notes:

• Fits Crew Cab trucks with a 6.5' bed.

Emissions:

This part is legal for sale or uses 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.