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Kooks header and catted connection kit for 2005–2006 Pontiac GTO uses 1-7/8in primaries with a 3in header configuration to upgrade exhaust performance. Kooks emphasizes handcrafting in the USA using T304 stainless steel, with dyno and race testing to validate results. Products are backed by a limited lifetime warranty to the original purchaser and intended as direct-fit replacements to improve exhaust flow and power potential.
Kooks 05-06 Pontiac GTO Base 1-7/8 x 3 Header & Catted GTO Conn Kit
