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✔ 30-day returns on unused items in original packaging. Details
✔ Manufacturer warranty: we help with claims
✔ Fitment question? Email [email protected]
Shipping: Ships from the manufacturer or distributor. Processing times vary by manufacturer; we'll email tracking as soon as your order ships.
Free shipping on orders $100+ to the contiguous U.S. (flat $12.99 under $100)
Flowmaster's® Flow FX Cat-Back exhaust system for the 2020-2026 GM 2500HD and 3500HD trucks with the 6.6L gas engines gives you a great way to help you customize your GM truck to your personality. This performance exhaust system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a 409 stainless steel Flow FX series "straight-through" muffler for great sound and maximum performance and no drone.
The muffler then connects to the factory tailpipe for a simple and effective performance upgrade. Max dyno gains of 11 hp and 10 lb-ft at the rear wheels. This results in better acceleration and towing performance. The system uses all the factory hanger locations and connections for an easy installation that you can do at home. Kits include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.
| Part Number | 717927 |
| Brand | Flowmaster |
| CARB (California) Compliant | Yes |
| Choose Your Part | Exhaust System |
| Exhaust Series | Flow FX |
| Heat Shield Included | No |
| Inlet Diameter | 3.50 |
| Mount Type | Uses Factory Hanger |
| Muffler Color | Natural |
| Muffler Included | Yes |
| Muffler Inlet Location | Center |
| Muffler Outlet Diameter | 3.50 |
| Muffler Outlet Location | Center |
| Muffler Series | Flow FX |
| Sound Level | Aggressive / Moderate |
| Pipe Color | Silver |
| Drive | 4WD |
| Drive | 2WD |
Flowmaster fitment notes:
Will it fit my vehicle?
Flowmaster lists the vehicles shown in the Fitment section above. If you are unsure, email [email protected] before ordering and we will confirm fitment.
What warranty does it have?
Backed by Flowmaster's Lifetime Limited Warranty.
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Why Choose Venture Overland Company: Free shipping on orders over $100, most orders ship in 1-2 business days, and every order is covered by our 30-day return policy.
Gear Up for Adventure
At Venture Overland Company, our motto is simple: Find Your Way. Whether you're hitting the backroads for a weekend escape or building the ultimate overland rig for months on the trail, we're here to help you get there. Every part we carry is chosen to give you the reliability, performance, and confidence to go farther and explore more. Load up, point the wheels off the pavement, and find your way—your adventure starts here.
Empowering Your Journey
At Venture Overland Company, we provide a carefully curated selection of top-tier brands and expert guidance to help you enhance your vehicle’s performance. Our community-driven approach ensures every product integrates seamlessly into your adventures, whether upgrading your Jeep, Toyota, or Ford. With our focus on quality, versatility, and outstanding service, we’re more than a store—we’re your partner in every off-road experience.
Quick answers about returns, shipping, warranty and support for orders from Venture Overland Company.
