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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > DIY Project Guides
DIY Exhaust Mod – Gain of 10+ HP!!!

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05-22-2019, 02:29 AM	#1
thefunkygibbon Registered User Join Date: May 2019 Posts: 77	considering doing this, but its not clear from the diagram/instructions. is it just a hole in the back of the exit pipe or does the hole need to be in the pipe behind that also? the diagram seems to look like it should go through 2 pipes essentially (each side) but no mention that i can see about that being the case.

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