Originally posted by Snoopy
there is only one stage. at 4400. what you're hearing at 5800 is the secondaries in your intake manifold opening up.
i dont understand why there are secondaries, ive never heard of this before. and I know there is only 1 stage thats wut i was sayin in the first place, im gonna do research and find out wuts up. thanks for the insight though:thumbup: