Evo Race Airbox Kit with Lid for Aprilia RS 660 Tuono 660 by GRT Racing Parts plus the OEM throttle bodies

plus the OEM throttle bodies bored from 48 to 51mm: superior airflow

Silencer Option: GP1R

Threaded ends compatible with OEM Aprilia V4 bar-end weights

and the perfect engine calibration to match your new setup

oil control ring

Evo Race Airbox Kit with Lid for Aprilia RS 660 Tuono 660 by GRT Racing Parts plus the OEM throttle bodiesEvo Race Airbox Kit For Aprilia Rs660 And Tuono 660 By Gabro Racing With Lid This Race Airbox Kit With Lid is used when the fuel tank is modified or enlarged for endurance racing. The full description of the Evo Race Airbox is available here: Evo race airbox kit for Aprilia RS 660 Tuono 660 by GRT