Originally Posted by wordyahurdd
I have the massive under drive pulley kit and i felt an instant improvement in accelerating. For only $115 or so I would definitely recommend it. Don't hate on the UDP's until you try it!
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It's about time I get an answer from someone that actually has a UDP.
I'll have to check out that kit too. I felt the same with the one on my 2nd Gen Probe GT. So far I'm leaning towards the CFM kit due to the 2 lightened pulleys that come in the kit.