Wanting to know whats the best headers/mufflers to use on a 68 pontiac fire bird 400. more for sound quality?
bought 1968 pontiac firebird 400. car still has orignial exhaust manifold. wanting make car sound , wondering kind of headers should go going mild cam. don't want car have outrageous noise noticeable. wondering whats muffler use. going using turn down exhaust. question use x pipe or what. new car stuff , looking muscle car sound. info appreciated! thanks
i bought 1968 pontiac firebird 400. car still has orignial exhaust manifold. wanting make car sound , wondering kind of headers should go going mild cam. don't want car have outrageous noise noticeable. also...
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