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2004-2006 GTO Parts & Accessories - Exhaust & Headers

Kooks "Signature Series" Stepped Headers 1 3/4" x 1 7/8" x 3" - 2004-2006 Pontiac GTO

$1189.95

We are pleased to announce these new "Kooks Signature Series" 1 3/4" to 1 7/8" stepped headers for the 2004-2006 Pontiac GTO. This header is a direct result of our work with Kooks and Carolina Auto Masters to develop the best header on the market for the GTO. On our shop 2006 GTO, with very small street cam, these headers produced better HP and TQ curves across the whole range when compared to standard 1 3/4" Kooks headers. The greatest gain these headers produced was in low end TQ with gains of over 7 ft/lb's . That gain increased further when we retuned the vehicle specifically for the stepped headers. Even greater gains would be seen on vehicles with more aggressive modifications, as the test vehicle was only in the 420 RWHP Range. We are currently recommending these headers for GTO's up to 600 RWHP.