hey need pipe advise

im running on a med track 5r with +4 if its rough n rugged/muddy blown out
MBX6 with toro nero both atm running dyna 053 i dont feel this could be the best setup was thinking 2096 with 41021 in the 5r and 2096 41029 in the 6 or would the 9901 with 41021 in the 5r and 9853 41029 in the 6 be a better setup im not in the position to spend a few hundred on different pipes setups for trial and error or just stick with the dyna 053's wich seem not to bad