Traditionally, air box modifications have been a balance between
performance and level of filtration. With the GYTR velocity stacks,
you no longer have to sacrifice the level of filtration to achieve
big horsepower gains. Our engineering teams have developed an
air box modification that adds up to a 5% gain in horsepower1,
depending on motor configuration, while retaining the stock filter
Retains factory locations for a dual air filter system
Works perfectly with our accessory GYTR air filters
(accepts stock YXZ filters)
Retains the stock style and location of your factory air box
Designed for the toughest conditions
For maximum benefits, air box modifications are required
(not recommended for muddy/wet conditions)
Optimized for use with the GYTR Race Cylinder Head Assembly,
NOTE: This accessory is restricted to closed-course competition use.
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6319 S. Highway 51
Janesville, WI 53546