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DIY Exhaust Mod – Gain of 10+ HP!!!
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01-07-2021, 07:19 AM
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Farmlifer
Veteran & Boxster Padawan
Join Date: Dec 2020
Location: Colorado Springs
Posts: 67
So does anyone has a recommended 1/2 or 3/8 drill bit that won’t break?
My 2001S has welded tips and I don’t have a grinder to fabricate a punch. Want to do this modification but hear of broken bits and frustration for some...
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