PRODRIVE BACKBOX DIAMETER????
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PRODRIVE BACKBOX DIAMETER????
Hi just a quick question what diameter is the pipe coming out of the MY00 prodrive backbox and what size is the tailpipe. thanks in advance.
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New age pipe comes out of box at 4" OD for all the tail pipe, the inside is perforated with a thin sound reducing wall that reduces the ID. I think only difference on the classic is a different front bracket. Inlet is 2.5" at front of box.
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