I Purchased the TW chip, but I overheated my exhaust pulling a 30 ft fifth wheel. I used the heavier tow setting. I have a 1996 OBS F350 7.3, and 3" DP and 4" exhaust. Also K&N factory style filter. What is next for my truck? One Mod seems to lead to another. I'm thinking intercooler, but is there a easier way, or do I need to send My TW chip back to get it checked out?