Dedicated to the Promotion and Preservation of American Muscle Cars, Dealer built Supercars and COPO cars. |
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Go with the Dynomax turbos...the guys over at Team Chevelle have the numbers memorized, but I tried a bunch of mufflers on one of my '69s, and those won hands down...plus, there is dyno proof they make more power as well as sounding better...and if you wanna get hi-tech, add an x-pipe...
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