RacingLine Cold Air Intake System – MK6 Golf R / Scirocco R- FoamWHATS SO SPECIAL? One of our most popular products is the VWR Cold Air Intake System kit, enabling cold, dense air from outside the engine bay to reach the fuel metering unit more efficiently for the higher output 2. 0 TFSI K04 engines in Golf 6R, Scirocco R and the Golf 5 GTI Ed30 Pirelli. Our High Flow TriFoam triple layer construction is simply the best filtration material on the market, and is the key to the power gains achieved. Each filter is