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I guess my first question is is this part available yet for the 7thgen and if so has anyone given it a try? I am very interested in checking it out for myself if its available but I am kind of worried about the whole removing the crank pulley thing resulting in major engine failure.

I have heard of people who put on the unorthodox pulleys and ended up with blown engines but I have never heard or seen anything about this pulley on these boards.

Pulled this from the site and of course it says Check it out, its under race pulleys on the dh-racing site, www.dh-racing.com

 
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the gain on the pulleys is going to be much smaller than 20, maybe 3-5 at the most. you need horsepower to create horsepower. I believe they do make these for our cars it just takes a little searching. and it should be to hard to put on but you need a pully puller i believe which is a kinda expensive tool if you dont allready know anyone that has one. If you have the tools its probably worth it because you should get improved everything. (accel, topend maybe even gas mileage but dont expect to much.