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Free shipping on orders over $49 to Virginia
Orders over $49 will receive free shipping. This is a residential delivery service, with deliveries Monday through Friday from 9:00am to 8:00pm.
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. Yamaha engineering teams have developed an air box modification that adds up to a 5% gain in horsepower (test results using Mustang Dynamometer chassis dyno at the rear wheel using SAE J1349 correction factor), depending on motor configuration, while retaining the stock filter locations.
Retains factory locations for a dual air filter system.
Works perfectly with the accessory GYTR air filters (accepts stock 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, sold separately.
Note: This accessory is restricted to closed-course competition use ONLY.