hi ratt ive not got the mono but am running the m4 of 02 and 03 with a 203 and 180 respectivly and have had non of the problems you are asking about im sure if you email hope they are very good with helping out when i broke my brake leaver on the 02 well out of warranty they just replaced it no questions and i was back out on thr trial with in a week not much help but hope you find an answer to your question batRatt said:Anyone using the 180s notice a loss in modulation or grabbiness