The Shelby Mustang GT500 is the definition of high performance. If your looking to improve on performance, look no further than the American Racing Headers Long System. Available with your choice of 1-7/8" or 2" primaries (for max effort applications), our Long System is constructed entirely of 304 stainless steel and features a 3" X-pipe. A simple cut and mark installation (no welding required) joins the Long System to your existing configuration. Also available as a Direct Connect System.
Attn. All ARH products are exclusively manufactured for racing purposes. Installing these products on any vehicle eliminates the legal use, in any capacity, on public roads/highways and may be subject to fines and/or criminal liability as per the Clean Air Act.
Product features on this system includes:
- 100% Made in the USA - Never Outsourced
- Made entirely of 304 stainless steel
- 3/8" thick laser-cut flanges for a warp-free seal
- Hand-ported TIG welded inlets
- Optimized primary tube routing for superior fit and performance
- Merge collectors with scavenger spikes
- Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability