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      11-16-2009, 11:20 PM   #8
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Finnegan's Avatar
Drives: Sapphire Black/Black Z4Mc
Join Date: Oct 2008
Location: At the track..or wishing I were at the track

Posts: 6,487
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Originally Posted by Alex///M View Post
Thanks for the informative response. I was not aware of the change(s). Since my 08 is a February build I should be safe with this item. What was/is the claimed horsepower increase/benefit of this kit and how long or involved is installation?
A pulley add around 10-12 HP and 6-8 TQ.

How long it would take to install depends on the installer's mechanical skills. Most guys are saying about 1.5 hours though as a rule of thumb.

There are two DIYs for install on this site:


This is a great deal! Pulleys run 385.00 - 495.00 and this one is a steal at 250.00.

Last edited by Finnegan; 11-16-2009 at 11:59 PM.