For "V3.5" level power, these velocity stacks (around $833) provide dyno-proven gains of up to 11 rwhp. Dynojet Power Commander V Fuel Tuner $403.75$425 Go to product viewer dialog for this item.
A popular fuel tuner ($404) that optimizes the air/fuel ratio without permanently altering the ECU. Aerodynamics & Bodywork 2020 Yamaha YZF-R1/R1M V3.5
Upgrading to carbon fiber or aerodynamic spoilers enhances both the "V3.5" aesthetic and high-speed stability. For "V3