Flowmaster Outlaw Extreme Cat-Back Exhaust for 2014-2019 Silverado/Sierra 1500 - 817916

The Flowmaster Outlaw Extreme Cat-Back Exhaust System, part number 817916, is designed for select 2014-2019 Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with 4.3L or 5.3L engines. Built from durable 409 stainless steel, this system features 3-inch mandrel-bent tubing, a race-proven Outlaw muffler, and a compact dump-style turndown exit under the bed. Designed for drivers who want maximum exhaust presence, the Outlaw Extreme delivers a very aggressive sound both inside and outside the truck while eliminating a conventional rear tailpipe.

Key Features & Specs:

• Series: Flowmaster Outlaw Extreme
• Type: Cat-back exhaust system
• Engine Compatibility: 4.3L and 5.3L
• Material: 409 stainless steel
• Tubing Diameter: 3-inch
• Tubing Construction: Mandrel-bent stainless steel
• Muffler: Race-proven Flowmaster Outlaw
• Muffler Diameter: 4-inch
• Sound Level: Very aggressive
• Exit Style: Single dump-style turndown
• Exit Location: Under the truck bed
• Outlet Diameter: 3-inch
• Wheelbases: 143.5-inch and 153-inch
• Drivetrain: 2WD and 4WD
• Installation: Uses factory hanger locations
• Included: Clamps, hardware, and installation instructions
• Part Number: 817916
• Warranty: Flowmaster Lifetime Limited Warranty

Fitment:

Fits select 2014-2019 Classic Body Chevrolet Silverado 1500 and GMC Sierra 1500 trucks with 4.3L or 5.3L engines, 2WD or 4WD, and applicable 143.5-inch or 153-inch wheelbases.

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

Applicable trims include Custom, High Country, LS, LT, LTZ, SSV, WT, Denali, SLE, SLT, and other configurations listed in the manufacturer application data.

2019 Fitment Note: 2019 applications are for Classic Body Silverado 1500 LD and Sierra 1500 Limited models.