Patriot Formed Weld-On Collector - 4 x 2 in Primary Tubes - 3-1/2 in Outlet - 10 in Long - Pair 91609169 or equivalent)Requires use of Holley

or equivalent)Requires use of Holley 302-15 Dipstick and Tube Kit or LS3 dipstick (GM P/N 12669528) and tube (GM P/N 12625031)*Engine location may need to be adjusted (up / down or fore / aft) for cross member or steering linkage clearance depending on the vehicle

2-1/2 to 2-5/8 in Springs

1966-2006 Pontiac GTO

Patriot Exhaust H7063 16 gauge 3 1/2" diameter

tuned or modified street

Patriot Formed Weld-On Collector - 4 x 2 in Primary Tubes - 3-1/2 in Outlet - 10 in Long - Pair 91609169 or equivalent)Requires use of HolleyPatriot Exhaust H7686 4 1 Formed Collector 3 1 2. Available in a wide variety of primary and collector diameters and lengths 16 gauge material Sold in pairsPatriot Exhaust products continue to offer the best value for the dollar of any brand in the industry. This year's product offering presents sixteen new applications for popular muscle cars and trucks including Camaro, Chevelle, Firebird, GTO, Mustang, Fairlane, Dart, Duster as well as many Chevy