Blue Devil
New member
I just got a couple helixs one is a 45-41 the other is a msr8 what ever that is Can anyone tell me how these would work on a srx . Try to get the best set up for 660ft Can anyone help?? 

tripple_tripple01
New member
is this on a srx 700? i havea great set-up for 660 if it is
Blue Devil
New member
Yes it is a 98 700 srx 

yamaholic22
Active member
the msr8 is around a 52/44 and makes a noticeable difference over stock