Registered Forum User
BSB Star
Posts: 6,720
Join Date: Feb 2002
Location: northampton
Mood: Has change happened...must of missed it!
You "race kit" is an assymetrical system ie one long big borwe, and one short small bore. The 54mm system is equal length.
Look at it as stages of tune
1 std
2 race kit
3 54mm system + pc 111 usb
4 57mm system -"-