I have now completed my two tank break in and have made the low side adjustment to the carb. The high side seems to be pretty good as it opens up good and I am seeing smoke from the muffler. I have a DDM pipe on the way and was wondering if there is any special tuning tips for the pipe. Do the stock muffler carb settings normally require richening or leaning after going with a tuned pipe. I can figure it out once I get the pipe but was wondering if anyone had tips before I start twisting on the screws. Boyd