I installed the PEM and when I fired the motor back up, everything seems fine. No ses or anything strange at idol or even when I rev the motor without boost. When I drive out and get some boost it sounds like baseball cards in bike spokes, and it revs up with the supercharger. Nothing near air filter making the noise, maf is clear. I thought maybe it was a loose plugwire, but I double checked and everything is fine with the noise still there. Gas mileage seems to have gone to complete shiz also. Please help.