Flowmaster American Thunder Crossmember-Back Exhaust System for GMC and Chevrolet
Part # 817937
- 3 Exit Options Allow You to Customize the Look of Your Truck
- 2.5-Inch Mandrel Bent Tubing Improves Exhaust Flow for Better Performance
- Super 44 Series Mufflers Give You a Deep, Classic Muscle Truck Sound
- H-Pipe Style Crossover Pipe Improves Performance and Reduces Interior Sound
- Includes all Necessary Hangers and Hardware for an at Home Installation
- 409 Stainless Steel Construction adds Corrosion Resistance and Durability
- Fits both Short Bed and Long Bed Trucks
- Backed by Flowmaster’s Lifetime Limited Warranty
Description
This American Thunder exhaust system is specifically designed for 1963-1966 Chevrolet C10 and GMC 1000 series 2-wheel drive, non X-Frame V8 trucks without the torsion bar front suspension. The system is perfect for the person looking for an aggressive to moderate exterior and interior sound level. Starting just after factory manifold downpipes or a set of headers, this exhaust system comes complete with a built-in H-pipe crossover and all mandrel bent 2.50-inch 409 stainless steel tubing that helps maximize the flow of the exhaust pulses for better performance and the added durability of stainless steel. The Super 44 Series performance mufflers will give any V8 a deep rumble with that classic Flowmaster tone. This system comes with your choice of three tailpipe exits, straight out the rear, side exit behind each rear tire, or dumped behind the rear tires. The system includes all hardware necessary for an at home installation. This exhaust system is covered by our Lifetime Limited Warranty. Fits both short and long wheelbase trucks.
Specifications
| CARB (California) Compliant | Yes |
|---|---|
| Catalytic Converter Included | No |
| Catalytic Converter Quantity | 0 |
| Clamping Type | Flat Band |
| Clamps Included | Yes |
| Exhaust Series | American Thunder |
| Exhaust Tip Quantity | 0 |
| Exhaust Tip Shape | Round |
| Exit Style | Dual Out Side |
| Finish | Natural |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Hangers Included | Yes |
| Inlet Type | Clamp-On |
| Main Piping Diameter | 2.50 in |
| Mount Type | Uses Factory Hangers |
| Mounting Bracket Included | Yes |
| Muffler (Left) Body Height | 4.00 in |
| Muffler (Left) Body Length | 13.25 in |
| Muffler (Left) Body Width | 9.50 in |
| Muffler (Left) Type | Chambered |
| Muffler (Rear) Type | Chambered |
| Muffler (Right) Body Height | 4.00 in |
| Muffler (Right) Body Length | 13.25 in |
| Muffler (Right) Body Width | 9.50 in |
| Muffler (Right) Type | Chambered |
| Muffler Body Height | 4.00 in |
| UPC / GTIN | 00090127100523 |
| Warranty | Manufacturer's Limited Lifetime Warranty |
| Year | Make | Model | Submodel | Note |
|---|---|---|---|---|
| 1963 - 1966 | Chevrolet | C10 Pickup | Base | Big Block Chevy Swap; LS Swap; LT Swap; Small Block Chevy Swap |
| 1966 | GMC | 1000 | Base | LT Swap |
| 1963 - 1965 | GMC | 1000 Series | Base | Big Block Chevy Swap; LS Swap; LT Swap; Small Block Chevy Swap |