Arguably the most incredible race car to ever come out of a Ford factory, the Shelby GT500is here.With a mountain of horsepower waiting to be unleashed, American Racing bolt-on headers and long-tube header systems can increase horsepower and torque as much as 40RWHP and 40RWTQ.Like all American Racing header systems, construction is 304 S/S steel, flanges are 3/8" laser cut, and headers are combination-style and incorporate Treasure peaks. Metallic X-tubes include 200 cell high-flow cats or can be ordered without the cats. 1-3/4" primaries come standard. For high lift racing applications, special order headers with 1-7/8" primaries are available as well.
| DM-Part # | 66366 |
|---|---|
| UPC / ISBN | N / A |
| Truck Line | No |
| oversized | No |
| Fits Model Year | 2007, 2008, 2009, 2010 |
| Fits Model | Coupe, convertible, Fastback, Hatchback |
| Installation time | Coming soon! |
| install difficulty | N / A |

Heads, 2007-2010, GT500, Full length off-road from X-Pipe, American Racing . Arguably the most incredible race car to ever come out of a Ford factory, the Shelby GT500is here. With a mountain of horsepower waiting to be unleashed, American Racing bolt-on headers and long-tube header systems can increase horsepower and torque as much as 40RWHP and 40RWTQ. Like all American Racing header systems, construction is 304 S/S steel, flanges are 3/8" laser cut, and headers are combination-style and incorporate Treasure peaks. X-Pipes include metallic 200 cell high-flow cats or can be ordered without the cats. 1-3/4" primaries come standard. For high-lift racing applications, special-order headers with 1-7/8" primaries are available as well.
- Price: $1,564.99
- Brand: Americana Racing Headers
- Product ID: 80833