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 SHIPS FROM MANUFACTURER 28513300Kooks 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 99-06 GM 1500 Series 3in x OEM Out GREEN Cat SS Y Pipe Kooks HDR Req 1999-2003 GMC Sierra 1500 SL 1999-2006 GMC Sierra 1500 SLE / SLT $2,307.68 |