Originally Posted by birdmanx1

Forum member DIGItonium noted in the NST pulleys thread that he had no issues whatsoever with the pulleys the entire year he had them on. Running on about 100 miles with mine, car runs great and gas consumption increased by 2 mpg so far. Someone noted in this thread that it wouldn't hurt to get the M370 + tuning once all the breathing mods are done...planning on doing just that.