Airbox Stage 3 Kit for Aprilia Tuono V4 1100 2021-2024 with map by GRT Featuring an increased compression ratio

Featuring an increased compression ratio of 14

The resulting airbox kit is bigger

Map can be in “corse” form

the air filter is better placed and with a bigger surface

Airbox Stage 3 Kit for Aprilia Tuono V4 1100 2021-2024 with map by GRT Featuring an increased compression ratioMORE AIR IN = MORE POWER OUT! This airbox is based on the RSV4 RR RF airbox, modified to fit any model year TuonoV4. New custom flat top lid, with no RS V4 upper injector bosses; new design application to TuonoV4 using proper length intake stacks (mid size length stacks are used only at the front cylinder bank). The resulting airbox kit is bigger, better shaped, seals better, the air filter is better placed and with a bigger surface. Results are a