I spoke with the owner of Instant-G awhile back concerning his exhaust systems. Needless to say, he had some interesting thoughts to share regarding his exhaust upgrades for the boxster. Unfortunately, the diameter of his system is proprietary, and, therefore it is not compatible with either oem or after market components. In any case, claiming a gain of 32 hp solely from an exhaust upgrade is a bit ridiculous.
Dangermobile
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