ARH 04 Pontiac GTO Long System w/ Cats – 1-3/4″ x 3″

ARH long tube headers long system for the 2004 GTO features 304 stainless steel in 1 3/4″ or 1-7/8″ primaries, 3″ merge collectors, and all the necessary hardware and gaskets for a bolt-on installation.

The 2004 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.

Features:

• 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 complete with welded scavenger spikes
• Catted systems feature 200 cell metallic substrate catalytic converters for extreme durability

Note: This system does not come with the x-pipe. Check out our X-PIPE OPTION GTO system here