2Stroked
There are two different LT500R Dr. Q pipes. The Original and the 2.0 revised "new" pipe. I have the 2.0 pipe that brings the power back into the midrange more than the original Q pipe. Both pipes have explosive power on a good running Zilla IMHO. I had the same needs that Rogue did and wanted the power to come on sooner. I didn't need a high strung pipe.
FYI