Thread: DIY Exhaust Mod – Gain of 10+ HP!!!
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Old 01-23-2014, 07:14 PM   #195
tommy583
98 Arctic silver 986
 
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Join Date: Jul 2011
Location: Upstate, NY
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I did it. 98 base. 1/2 inch hole on each side. Sounds better for sure. No drone at all. I'm thinking of going bigger as well.
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