RSM/GLS 2.5" x 4" Billet Header Collectors
These are the "BIG BOYS". Monster 2.5" primaries merging into a 4" vband flange. Keeping the exhaust energy up in your promod while adding durabilty. Because they are a machined part and not affected by the heat of welding like standard style collectors, they are less prone to cracking. Receiver grooves make life easy fitting up as well. 304 Stainless Steel Made in the USA.
2-4 Week Lead Time.
All come standard with:
- Weld-In Collector Star (choose billet spike or stainless star)
- Matching Male Vband Flanges and Clamps