Headers - Cat4ward - 1.625 in Primary - 2.5 in Collector - Stainless - Natural - GM LS-Series - GM Fullsize SUV / Truck 2003-06 - Pair Brand- JBA PERFORMANCE EXHAUST MPN 1850S-3 . **NOTE: Carb EO #D-57-47 Truck Freight- NO State Restrictions NO Canada Restrictions- NO
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