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drgriffi1

Jan 1, 2008 09:38 PM

2001 GTP

Let's say I don't replace the pulley. What kind of performance gain would I see if I get rid the the resonators on the exhaust, put in a cone filter, and put in a speed chip? Do those HP chips on fleabay actually work? Thanks.

O2GTP

Jan 9, 2008 05:23 PM

RE: 2001 GTP

Stay away from the chips you see on ebay...if you really want to mess with your ECU....go through a known company...JetChips for example. Or take it to a shop and have them flash your ecu...pully swap best bang for buck..

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