Originally Posted by
soccerlaw
Integra - what pipe would you suggest for the GRP? I have the .28. I heard the jp-4 works fairly well. I have a virtually brand new 053 pipe and an 0801 pipe laying around and so would love to use one of them if they will perform better than the promo pipe.
the JP-4 will work...also the 053 will to.......buy by far THE best pipe on the GRP imo is the MSR1005....i have yett to see a motor NOT love that pipe to Death.