Quote:
Originally Posted by Terry @ BMS
Generally factory intakes are pretty good, and the N54 is not an exception, but there is big power to be made with aftermarket intakes. Especially once you tune the car and raise the boost level.
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I prefer not to trade my efficient factory external cold air ram intake for one that gets it's air from inside the engine bay. I have seen them make some glory numbers on the dyno with the hood open and fans blowing on it, but in the real world/everyday driving, they suffer from heat soak and compromise engine performance.