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jstroudy
15th April 2010, 20:48
whats the best size for more power and a nice sound?
Furio-92
15th April 2010, 20:50
3" imo
Maxamus
15th April 2010, 20:52
2" - 3"
jstroudy
15th April 2010, 23:18
cheers thanks for the help guys
KamRacing
16th April 2010, 06:44
the end tip on the backbox doesn't gain you power..

the rest of it does and 50mm diameter is about right - straight through with mandrel bends