My 1968 Z/28 left the factory with 4.56 tail gears. I've always had 1-3/4" primary headers with the stock deep tone exhaust system using an original GM muffler. Even driving that car & trying to listen to your favorite tunes isn't so great. My car came with deluxe interior, so it has the extra sound deadening. Some people like the chambered exhaust...some don't. I hear some people say it sound better on a Chevelle. It's a matter of choice...Joe
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1968 Z/28 Corvette Bronze. Black Hounds Tooth. 02E Los Angeles born 3/13/1968 pnt OO
1969 SS396 Yellow/Yellow 08E Norwood born 8/28/1969 pnt 76E
1970 'cuda Moulin Rouge, 440-6, 4 speed
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