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r Co r ve tte h e re Toll Free: 800.500.1500 Get Out Of The Hot Seat And Increase ... width x 50' length, with a thickness of 1/16". Hooker Header Exhausts For ... look and better exhaust flow with Hooker Super Competition Exhaust Systems. ... Hooker Sidemount Headers deliver aggressive style and ... performance for your 1963-82 Corvette. For maximum exhaust gas flow ... and minimal back pressure, Sidemounts headers are built from 18 gauge tubing and ... feature 4 equal length 1 7/8" diameter primary tubes that ... converge into a 4" collector. Your Sidetubes connect ... to the collector for a leak free seal. Hooker Mufflers produce a high level of sound ... efficiency. Mufflers slip directly into sidetubes for simple installation and ... necessary for installation. Note: 1975-82 installation is for off-road race cars ...