The velocity stacks are a pretty cool upgrade but kind of expensive for what they are. if youve got the cash and want to do every little thing to make your bike better then get the v stacks
Factory Pro Velocity Stacks
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I bought and installed these on my 2007 SV650. Given the fact that my bike isn't known for top end I figured these would be a great way of adding some... I was very correct! Unlike most inline 4 bikes that only gain a little top end and a cool intake sound, my little v-twin gained a nice amount of mid and top end with no sacrifice to the lower rpm's. I love the added pull I get when my torque runs out and the power picks up. What use to feel like a flat spot in the higher rpm's is now more acceleration.
These are a definite must for anyone looking to get every little bit of power out of their machine with bolt-on's only.
i got these for my 04 cbr600rr with BMC racing air filter i felt an amazing power increase with after 5000 rpm and then it like hanging on to a wild ride and also makes my 15-45 race gear ratio very fast!!
Like the others have said these stacks give you a deeeeep throaty growl when u dig into the throttle !! I recommend these stacks for sure,you will notice a subtle difference in the seat of the pants feel but the sound alone is worth it.
I bought the factory pro velocity stacks for my 2001 r1 champions edition... i also changed my air filter to an k&n.. i got rediculous top end after 6000 rpm my bike feels like a turbo kicks on, my front wheel wants to jump... i lost a little bit of low end power.. not enough to bother me....
(use with stock air filter, BMC, K&N or similar filter)