Pontiac G8 Forum banner
exhaust noise
1-1 of 1 Results
  1. Exhaust Tech
    I have a SOLO catback and I get a vibration/noise/hum in the 40-55 mph range in 6th gear only. Talking to another member on here (Virus), he stated that VMS was able to adjust his tranny tune to make the noise less noticeable (but still there). Besides the exhaust, I have a RF CAI and Cortex...
1-1 of 1 Results