American Racing: 2004-2006 Pontiac GTO Long System Headers (X-Pipe Option), 1-7/8" x 3" Cats:No Cats *currently made to order item

*currently made to order item

The Maximizer 4 progressive nitrous controller operates one or two separate stages of nitrous based on either time

in order to get them to customers who have been patiently waiting for them

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

Brushed Charcoal

American Racing: 2004-2006 Pontiac GTO Long System Headers (X-Pipe Option), 1-7/8" x 3" Cats:No Cats *currently made to order itemARH 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