GiroDisc Porsche 911 Carrera (991.2) w/PCCB (Iron Rotor Pad Shape) Slotted Rear Rotors X5M The B-Series Race Kit provides

The B-Series Race Kit provides instant throttle response and a progressive power curve that increases all the way to redline without the typical 'spiking' or 'surging' associated with turbochargers

Since the '60s

The EVO7203 Evolution Cold Air Intake System uses a custom designed and dyno-tuned intake tube to produce huge power gains while retaining an OE quality fit

rust-proof Zytel endcaps and an inverted crimp design help the air spring hold shape for a long life

GiroDisc Porsche 911 Carrera (991.2) w/PCCB (Iron Rotor Pad Shape) Slotted Rear Rotors X5M The B-Series Race Kit providesGiroDisc Porsche 911 Carrera (991. 2) w PCCB (Iron Rotor Pad Shape) Slotted Rear Rotors