Hey Guys, At 70 To 75 Mph With The Cruise On Or Using The Pedal I Seem To Be Getting A Shutter Like Motor Missing Or Losing Fuel. No Major Mods Yet Just Afe In Box And Straight Pipe, Just Curios If You Guys Have Any Ideas Before I Make The Dreaded Appt With The Stealership, 06 3500 Ctd 6 Speed...