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Velocity Stack for all EFI and HPDI Yamaha

Velocity Stack for all EFI and HPDI Yamaha

Adds 5 to 10 HP depending on model and application. Fits 2.6L, 3.1L, and 3.3L EFI and HPDI models. Allows engine to breath and draw intake air more efficiently! A perfect match for the big bore throttle body!