hey guys,
i have some queries to know the benefits of a performance expansion chamber?
my mates' dad build's race bikes for KTM, and all his bike have them but not really sure if there worth having on a four stroke ?
or are they a big performance gain or just pointless? :confused-smiley-013
burns
ceramic coated
enamel
exhaust wrap
heatprooftapeheatshield
high energy
high temperature paint
spray aluminium
stainless pipes
thermotec
vht coated
