Flowmaster Flow FX Cat-Back Exhaust for 2014-2019 Silverado/Sierra 1500 - 717857

The Flowmaster Flow FX Cat-Back Exhaust System, part number 717857, is designed for select 2014-2019 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with 4.3L or 5.3L engines. Constructed from durable 409 stainless steel, this system features 3-inch mandrel-bent tubing and a straight-through Flow FX muffler that delivers a deep, moderate performance tone. The single side-exit tailpipe exits behind the passenger-side rear tire and is finished with a large 4.5-inch black ceramic-coated stainless steel tip for a clean performance appearance.

Key Features & Specs:

• Series: Flowmaster Flow FX
• Type: Cat-back exhaust system
• Material: 409 stainless steel
• Tubing Diameter: 3-inch
• Muffler: Flow FX straight-through performance muffler
• Muffler Design: Absorption-style
• Sound Level: Moderate
• Exit Style: Single side exit
• Exit Location: Behind passenger-side rear tire
• Exhaust Tip: 4.5-inch black ceramic-coated 304 stainless steel
• Tip Style: Angled, rolled-edge
• Engine Compatibility: 4.3L and 5.3L
• Wheelbases: 143.5-inch and 153-inch where applicable
• Drivetrain: 2WD and 4WD where applicable
• Installation: Uses factory hanger locations and connections
• Included: Installation hardware and instructions
• Part Number: 717857
• Warranty: Flowmaster Lifetime Limited Warranty

Fitment:

• 2014-2018 Chevrolet Silverado 1500
• 2014-2018 GMC Sierra 1500
• 2019 Chevrolet Silverado 1500 LD
• 2019 GMC Sierra 1500 Limited

Fits select 2014-2018 trucks with 4.3L or 5.3L engines and applicable 143.5-inch or 153-inch wheelbases in 2WD or 4WD configurations.

2019 Fitment Note: Flowmaster specifies 2019 applications as Classic Body trucks with the 5.3L engine, 4WD, and 143.5-inch wheelbase. Verify these requirements before ordering for a 2019 Silverado 1500 LD or Sierra 1500 Limited.