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1496 Views 8 Replies 8 Participants Last post by  Davemcfarland
ok so I have a MBRP 4" and it just not loud enough need some advice on making it louder. will sct make it louder? what about 5" how much louder will switching to one make it. any other ideas??

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Have you tried, or thought of trying a muffler delete pipe??
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