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Drillled Exhaust Question

14302 Views 27 Replies 12 Participants Last post by  Dewd
I bought a drilled exhaust from one of our members with the 4 half inch holes. Is that the optimal amount of holes, or drilling additional holes make them louder or deeper in sound? I have heard that some have 6 and even 8 holes. I wouldn't want to drill more if there is no benefit.
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Hey new member/new owner here. Did any of you have to install a power comander or anything along t. Lines of that after drilling the baffles out ?
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