Thread: Proper sized exhaust
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Old December 3rd, 2016, 04:10 PM
bigblockv6 bigblockv6 is offline
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Default Re: Proper sized exhaust
I'm pretty happy with 2 1/2 inch duals and 50 series mufflers on my 68 478M, of course that's the same system when I had the 305E, In the future I may switch over to 3 inch pipes and 40 series mufflers
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