We will price match on these headers!

These Long Tube Stainless Steel Headers fit the 2004 Pontiac GTO. They feature CNC mandrel bent 1 3/4" primaries, CNC laser cut 3/8" flanges, and 3" collectors. They also includes 3" mid pipes to connect to factory 2 bolt flange. These headers do not include cataytic converters, and are for "off-road" use only. They are designed in a manner that would allow you to purchase catayltic converters from StainlessWorks and bolt them right in.

These are among the best GTO headers available, and are of such quality that they were used by GM on their Orange "Woodward Cruise" GTO project car! These headers fit great and feature industry best ground clearance! Combined with Stainless Works 3" exhaust and a proper tune a 2005 GTO a verified 35 RWHP and 35 FT/LBS of torque on a 2004 automatic over stock!!! Includes 02 sensor extensions required for installation.

Please note that some Stainlessworks systems are made to order and may take 1-3 weeks to ship. Please contact us if you have questions concerning availability. This wait would apply to any competitor you order from also.

PT# GTOHDR - Stainless Works Long Tube Headers without Cats - 2004 Pontiac GTO