Thread: DIY Exhaust Mod – Gain of 10+ HP!!!
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Old 02-10-2015, 09:05 PM   #263
tommy583
98 Arctic silver 986
 
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Join Date: Jul 2011
Location: Upstate, NY
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How long is it? I used a multi bit on a 12 inch extension and had just enough length to drill the hole. Are you saying you went thru the pipe and out the muffler somewhere?
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