I would get the Bassani x pipe, I think you would get more hp from that rather then the pulleys. I bought my car with the 3.73 already in, and I want to get 4.30 put in. Right now I get 18 mpg in the city and roughly 24-25 on the highway. Get the 4.10 if not the 4.30.
Later Will
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98Cobra
BBK Off-Road XPipe
Flowmaster Dumped before axle
3.73 Rear End
MAC Cold-Air