I was wondering what things I'd have to get corrected after installing an underdrive pulley. I've heard it's a good upgrade, but will I be able to do any necessary corrections with a tuning? Just wondering. Thanks

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'00 Firebird Formula WS6 (Pewter)
K&N air filter
Granatelli MAF
MTI high flow air intake (clear)
Jet Chip stage II
Flowmaster muffler

 

No tuning necessary. All you will need is the pulley and 2 belts. I have the ASP on my T/A and am very happy with it.

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98 Z28 1LE M6 | Autox/RR toy
01 Trans Am M6 | Daily driver, some mods
1LE.net