Skunk2 Racing K2K Series Throttle Body Adapter (309-05-0120) 18090 this hood combines advanced materials

this hood combines advanced materials and experienced craftsmanship to reduce weight while maintaining strength and style

Dual free-flowing mufflers are used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque

375" stock valves

Active Autowerke's engineers have extensively refined the performance software for the E39 BMW M5 through numerous updates

custom straps

Skunk2 Racing K2K Series Throttle Body Adapter (309-05-0120) 18090 this hood combines advanced materialsSkunk2 Racing now offers a solution for installing the Grams Performance & Design Drive By Wire Throttle Body or Honda K (RBC) Drive By Wire Throttle Body onto the Skunk2 02 06 RSX Pro Series and Ultra Street Intake Manifolds. A necessity when installing the Ultra Street Intake Manifold on the 06 15 Civic Si. The adapter has a 72mm opening and a 71mm exit as well as a MAP Sensor and 1 8" NPT accessory port for additional flexibility. Features CNC