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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)
Our American Thunder cat-back exhaust system for 2007-2013 GM Silverado/Sierra 1500 with the 5.3L engine, is perfect for the person looking for moderately aggressive sound levels both inside and outside of the truck. This bolt-on emissions-legal system features 3.00-inch mandrel-bent stainless steel tubing flowing into a Super 40 Series muffler, for a deep powerful sound. The mandrel-bent 2.50-inch stainless steel tailpipes can be configured with your choice of exit locations, either straight out the back under the bumper for a muscular look, or exiting out behind the rear tires on each side of the truck.
This is the ideal tailpipe location when towing a boat or RV. The tailpipes are finished off with large 3.50-inch double wall polished stainless steel tips. The system includes all necessary parts and hardware for an easy installation and is covered by our Lifetime Limited Warranty.
| Part Number | 817680 |
| Brand | Flowmaster |
| CARB (California) Compliant | Yes |
| Exhaust Series | American Thunder |
| Heat Shield Included | No |
| Inlet Diameter | 3.00 |
| Mount Type | Flanged |
| Muffler Included | Yes |
| Muffler Part Number | Kit Only |
| Muffler Series | Super 40 Series |
| Sound Level | Aggressive / Moderate |
| Tail Pipe Quantity | Dual |
| Tip Logo | Embossed |
| Pipe Color | Silver |
| Drive | 4WD |
| Drive | 2WD |
Double-check your vehicle details before ordering. Questions? Email [email protected].
What vehicles does it fit?
It fits 2007-2013 Chevrolet Silverado, GMC Sierra 1500 with 5.3L engine and 143.5 and 157.5-inch wheelbases. Also fits 2007-2008 GM Silverado/Sierra 1500 with 4.8L engines and 143.5 and 157.5-inch wheelbases; Fits all 2/4 wheel drives with 143.5 and 157.5-inch wheelbases.; Also fits 2007-2008 GM Silverado/Sierra 1500 with 4.8L engines and 143.5 and 157.5-inch wheelbases.. Double-check your vehicle details before ordering. Questions? Email [email protected].
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.
