Grand Prix This long running model has seen many changes, from a large RWD car, to a smaller RWD car, to a small FWD car, to a large FWD car, and with its available supercharged engines, and powerful V8s, it has never left the limelight as one of the most popular cars in America.

2001 GTP

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  #1  
Old 01-01-2008 | 10:38 PM
drgriffi1's Avatar
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Default 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.
 
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Old 01-09-2008 | 06:23 PM
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Default 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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