American Racing 1 3/4 x 3 Headers w/ 3 Catted X-Pipe Ford Mustang GT500 5.4L 11-12

American Racing Headers is a great example of what culminates when highly skilled fabricators, with a complete understanding of motorsports and the science behind the parts they create, come together to take on a new world of high performance.

Taking the "Bull by the Horns" approach, American Racing Headers was formed to prove that superior quality and outstanding performance can and will be the keys to success. A staff with 40 plus years of combined high performance exhaust fabrication experience see to it that only the finest components and craftsmanship go into every header system.

Arguably the most amazing hot rod to ever exit a Ford factory, the 2011 Shelby GT500 features a new lightweight Aluminum block 5.4L and contains a mountain of horsepower just waiting to be unleashed. American Racing Headers bolt-in long tube header systems can increase power and torque by as much as 40 RWHP and 40 RWTQ.

Like all American Racing Headers systems, construction is all 304 Stainless Steel, flanges are 3/8" laser cut and collectors are merge style and incorporate scavenger spikes. 3" X-Pipe includes 200 cell high flow metallic cats. 1 3/4" primaries come standard, however for applications with large amounts of boost, 1 7/8" primaries are recommended.

Features:

• Stainless Steel Construction
• 1 3/4" Primaries
• 3" Merge Collectors
• 3" X-Pipe w/ 200 Cell Cats
• Limited Lifetime Warranty