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exhaust size

  1. Exhaust help

    I have a 1979 Camaro with a 383, K1103 summit cam, 882 performance heads, 4 speed manual, long tube headers true duals( 2.25) with super 44s and turndowns. The exhaust is way to small. I was thinking 2 1/2 but want the 3" for the loudness and a 2 years down the road I want to turbo it. I was...