I'm running a pretty small air filter...a doughnut shape 6 and a half inches across, and about 4 inches high. This could be part of the problem.
I just ordered 2 Magnaflow mufflers. They are 18 inches long and 24 inches overall. These are the longest I could get that accepts a 2 inch pipe. They should fit as my Flowmasters are 17inches long and 23 inches overall. I hope that I will loose the drone. If not, I will try the H pipe. When they are installed in about 2 weeks, I will post again with the results.
Thanks, Al
