Flowmaster · New
Flowmaster 15-20 GM Tahoe/Yukon 5.3L FlowFX DOSS Cat-Back Exhaust System
MPN 717986 · Store SKU flo717986
Supplier stock checked 11/8/2026, 10:44:34 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
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 Flowmaster Flow FX Cat-Back Exhaust System
Manufacturer fitment & guides
Check 717986 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
