spankylowe

Member
Jul 4, 2003
6
0
I am wanting to mod my xr70 and am wondering if putting an fmf pipe on along with a k&n filter will help any at all and if I will need to rejet ????
 

Red Rider 53

~SPONSOR~
Jan 16, 2003
282
0
The FMF pipes are overrated. They really don't do much. And as far as the air filter if the one you have now is in good shape just leave it. A new air filter will just cost money, you wont notice anything. You shouldn't have to rejet with an FMF pipe but I recommend the Pro Circut T-4, it is a great pipe and will really boost performance.
 

Rich Rohrich

Moderator / BioHazard
LIFETIME SPONSOR
Jul 27, 1999
22,839
16,904
Chicago
Originally posted by spankylowe
Is the pro circut pipe that much better ?????????/

No.
 

ronwest99

Member
Feb 20, 2002
12
0
A shop that does a lot of my engine work designs, builds and sells their own cams for the Xr70. The cam will do more for the bike than any pipe could ever do (and the cam is cheaper than the pipe anyway!).

The shop is Aurora Cycle. Give them a call (Rob is my contact there) 503-678-2200.
 
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