Looking for aftermarket parts to modify or upgrade your Pontiac GTO with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories.

OUT OF STOCK 1809SJBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainles... JBA 04-06 Pontiac GTO 5.7/6.0L LS 1-5/8in Primary Raw 409SS Cat4Ward Header 2004-2006 Pontiac GTO Base $941.07 |
OUT OF STOCK 1809SJSJBA shorty headers are one of the foremost performance upgrades you can bestow upon your beloved car, truck, or SUV. JBA Headers are significantly less restrictive than stock manifolds and dramatically increase the power and efficiency of your engine. Each header is constructed from durable stainles... JBA 04-06 Pontiac GTO 5.7/6.0L LS 1-5/8in Primary Silver Ctd Cat4Ward Header 2004-2006 Pontiac GTO Base $1,088.77 |

IN STOCK 2411H420Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless... Kooks 04 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit 2004-2004 Pontiac GTO Base $2,595.84 |
IN STOCK - LOW 2412H420Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off-road applications. We have won hundreds of championships and set countless... Kooks 05-06 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit 2005-2006 Pontiac GTO Base $2,575.40 |

SHIPS FROM MANUFACTURER 05GTOHCAT2005-06 GTO headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-3/4" diameter primaries, 3" slip-fit collectors with merge spike, then fitting into Includes 3" pipes to connect to ... Stainless Works 2005-06 GTO Headers 1-3/4in Primaries 3in High-Flow Cats 2005-2006 Pontiac GTO Base $2,048.20 |
SHIPS FROM MANUFACTURER GTOHCAT2004 GTO headers. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-3/4" diameter primaries, 3" collector. Includes 3" pipes to connect to factory 2 bolt flange. High flow catted lead pip... Stainless Works 2004 GTO Headers 1-3/4in Primaries 3in High-Flow Cats 2004-2004 Pontiac GTO Base $1,990.25 |