Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System - 717986

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 with the 5.3-liter engine.

Features & Benefits

• 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

Fitment has not been independently verified for your vehicle. Confirm the manufacturer application against your year, make, model, trim, and modifications before ordering.

Processing and carrier timing vary by stock status and destination. Final shipping services and costs are confirmed at checkout.

Shipping policy · Returns policy