Thread: TP Underdrive Pulleys
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Old Sun, February 7th, 2010, 11:22 PM
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Punisher Punisher is offline
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I've had the TP underdrives for about 3 months now. When I swapped the pulleys I also installed the TP eFans so my opinion is going to be of the upgrades combined. I've noticed that the engine is much more responsive. As for mpg's... not so much. I've not noticed any mpg gains but that may have more to do with my foot than anything else.

Pics of stock and the TP underdrives below:
Attached Images
File Type: jpg TP Underdrives-01.jpg (22.1 KB, 12 views)
File Type: jpg TP Underdrives-02.jpg (25.1 KB, 13 views)
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