aFe Sprint Booster Power Converter (77-16304) 1736 Quad Simultaneous: Both sides flash

Quad Simultaneous: Both sides flash four times simultaneously in quick succession

Fits all 2015-2016 Porsche 981 Cayman GT4 / 981 Boxster Spyderequipped with factory mufflers

The Snow Performance Water Methanol Injection Nozzle delivers a flow rate of 14 gallons per hour

GrimmSpeed has become the trusted brand in the BCS market

aFe Sprint Booster Power Converter (77-16304) 1736 Quad Simultaneous: Both sides flashSprint Booster Power Converter by aFe. Automobiles in the 21st century have replaced the more conventional throttle cable technology for an ECM (Electronic Control Module) that translates pedal travel into electronic signals in order to provide power to the wheels. The ETC system (Electronic Throttle Control) also known as drive by wire has the unfortunate downside of delayed throttle response and subdued acceleration, creating problems in certain