Pros: Gave a small hp boost which does a big difference on the track.
Cons: none
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By MARTIN from Perth, Australia on 03/12/2008
Pros: Great product. took minimal time to instal and you can feel the difference. Even on start up, the bike idles higher and smoother immediately. The midrange is better and seems to pull easier. Have not had a chance yet to test up top but I'm sure it will be ok. For the price and time to install it its a must have.
Cons: none.
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V-Stacks are great...
By Timothy from Princeton, WV on 09/05/2007
Pros: This was the easyest bolt on power I have seen. I could feel the extra power from 4,000 rpm's alll the way up. R6 just breaths better.
Comments: I ride a 2001 R6 so there is a huge power difference between my bike and my friends I ride with. With my 520 conversion, D&D full system, and Velocity Stacks I'm getting closer than ever to keeping... (Read the rest of this review)
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Related Factory Fuel Delivery and Engine Management For Your Yamaha R6:
