American Racing: 2004-2006 Pontiac GTO Long System Headers (X-Pipe Option), 1-7/8" x 3" Cats:No Cats and will work with all

and will work with all currently available FSR style pistons without modification

*currently made to order item

Brushed Charcoal

I hate to quote HP numbers because there's such a variance in this market with the different AWD dynos

CTS-V Owners also now have the option to do some one-stop shopping when the need for a complete exhaust system arises

American Racing: 2004-2006 Pontiac GTO Long System Headers (X-Pipe Option), 1-7/8" x 3" Cats:No Cats and will work with allARH long tube headers long system for the 2004 to 2006 GTO features 304 stainless steel in 1 3 4" or 1 7 8" primaries, 3" merge collectors, our 3" X Pipe and all the necessary hardware and gaskets for a bolt on installation. The GTO American Racing Headers long system was designed to bolt on to your factory axle back or any aftermarket axle back. A simple cut and clamp modification (but no welding) may be required. Product features on ALL American