R6 velocity stacks fit 08+ but have the greatest gains on the 2010+ restricted stacks.
These stacks require the 08/09 R6 airbox Shaft that must be purchased separately - Part# 13S-14490-00-00
https://www.partzilla.com/catalog/yamaha/motorcycle/2008/yzf-r6-yzfr6xcs/intake - #20
1)The metal sleeve on the factory rail grommet gets re used on our rail hold downs.
2)The metal clips on the stacks themselves get re sued on our stacks in the same location and orientation.
3)The rubber lower seals on the upper stacks get re used on our stacks.
4) The factory bolts, washers ,and O-rings bolting the stacks to the throttle bodies get re used in our stacks.
No instructions - stacks should be installed by professionals
**We recommend custom tuning with all of our stacks**
**Velocity Stacks are made to order. They have a 2-3 business day lead time**