This center cap only fits: JR12 (16"-17")

6L  Prince N14 & N18 Turbo engine found in R56 Mini Cooper S and John Cooper Works models

0' Inlet flows over 330 CFM

Turbosmart’s new Smart Port trumpet allows the use of a softer spring in the body of the BOV to aid in valve response to the plumb back port

It works by detecting a negative voltage change in throttle position

Straight 1.50"x 610mm BLACK" Mazda This center cap only fits:High performance multi layered Silicone hose. Constant temp resistant from 50 to 170 degrees Celsius ( 60 to 340 degrees Fahrenheit) and pressure rated to 220PSI with a 5mm wall thickness. Engineered to Win by Turbosmart.