Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System

This Flowmaster® Flow FX® cat-back exhaust system for the 2015-2020 Chevrolet Tahoe and GMC Yukon with the 5.3-liter engine is manufactured using durable 409 stainless steel throughout and features 3.00-inch to dual 2.50-inch mandrel bent pipes for better exhaust gas flow. This system exits out the side with dual 3.50-inch black stainless steel tips for added style and a custom look. Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty. Fits 2015-2020 GM Tahoe/Yukon 5.3L, Flow FX Cat-Back, Dual Out Same Side Exit, Stainless Steel Exhaust System Fits 2015-2020 GM Tahoe/Yukon with the 5.3-liter engine.

• 3.00-inch to 2.50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
• Includes complete hardware and factory styled hangers in the stock locations for an easy installation
• Flow FX series muffler delvers a moderate sound level with increased performance
• Max dyno gains of 7 hp and 7 lb-ft of torque over stock at the rear wheels
• Dual 3.50-inch black stainless steel tips add a custom look
• Backed by Flowmaster’s Lifetime Limited Warranty

Upgrade the exhaust performance and appearance of your 2015-2020 Chevrolet Tahoe or GMC Yukon equipped with the 5.3L engine using the Flowmaster Flow FX cat-back exhaust system, part number 717986. This system is constructed from durable 409 stainless steel tubing and uses a 3.00-inch inlet that transitions to dual 2.50-inch mandrel-bent pipes to support improved exhaust gas flow and long-term durability. The dual-outlet, same-side exit configuration provides a clean, custom appearance while maintaining compatibility with the vehicle’s factory exhaust layout.
The Flow FX series muffler delivers a moderate exhaust sound with increased performance for drivers who want a more assertive tone without excessive volume. Testing has shown maximum gains of up to 7 horsepower and 7 lb-ft of torque over the stock system at the rear wheels. Dual 3.50-inch black stainless steel tips complete the installation with a distinctive finish and added resistance to surface corrosion.
Designed for a straightforward installation, the Flowmaster 717986 system uses the existing factory hanger locations and includes factory-style hangers, installation instructions, and all required hardware. No custom fabrication is required for installation when used with the specified application. The system is backed by Flowmaster’s Lifetime Limited Warranty. This product is not CARB approved; review applicable emissions requirements before installation and use.

Features:

• Application: Fits 2015-2020 Chevrolet Tahoe and GMC Yukon models equipped with the 5.3L engine

• Construction: 16-gauge 409 stainless steel tubing provides durability and supports efficient exhaust flow

• Pipe Design: 3.00-inch inlet transitions to dual 2.50-inch mandrel-bent pipes

• Muffler: Flow FX series muffler provides a moderate sound level with increased performance

• Performance: Delivers maximum dyno gains of up to 7 horsepower and 7 lb-ft of torque over stock at the rear wheels

• Exit Configuration: Dual-outlet, same-side exit design

• Exhaust Tips: Includes dual 3.50-inch black stainless steel tips for a custom appearance

• Installation: Uses factory hanger locations and includes required hardware and installation instructions

• Warranty: Backed by Flowmaster’s Lifetime Limited Warranty

Fitment:
Chevrolet Tahoe LS 2015
Chevrolet Tahoe LS 2016
Chevrolet Tahoe LS 2017
Chevrolet Tahoe LS 2018
Chevrolet Tahoe LS 2019
Chevrolet Tahoe LS 2020
Chevrolet Tahoe LT 2015
Chevrolet Tahoe LT 2016
Chevrolet Tahoe LT 2017
Chevrolet Tahoe LT 2018
Chevrolet Tahoe LT 2019
Chevrolet Tahoe LT 2020
Chevrolet Tahoe LTZ 2015
Chevrolet Tahoe LTZ 2016
Chevrolet Tahoe PPV 2015
Chevrolet Tahoe PPV 2016
Chevrolet Tahoe PPV 2017
Chevrolet Tahoe PPV 2018
Chevrolet Tahoe PPV 2019
Chevrolet Tahoe PPV 2020
Chevrolet Tahoe Premier 2017
Chevrolet Tahoe Premier 2018
Chevrolet Tahoe Premier 2019
Chevrolet Tahoe Premier 2020
Chevrolet Tahoe SSV 2015
Chevrolet Tahoe SSV 2016
Chevrolet Tahoe SSV 2017
Chevrolet Tahoe SSV 2018
Chevrolet Tahoe SSV 2019
Chevrolet Tahoe SSV 2020
GMC Yukon SLE 2015
GMC Yukon SLE 2016
GMC Yukon SLE 2017
GMC Yukon SLE 2018
GMC Yukon SLE 2019
GMC Yukon SLE 2020
GMC Yukon SLT 2015
GMC Yukon SLT 2016
GMC Yukon SLT 2017
GMC Yukon SLT 2018
GMC Yukon SLT 2019
GMC Yukon SLT 2020