ATTN RB zaust ???
 

i was browsing around and saw your gonna be producing a single pipe, single exit exhaust i was curious bout what kinda gains you saw if you've tested weight diff all the usual questions also how bout sounds looks all that stuff. i want an exhaust but if this is the better performer i will wait please lemme know soon :)

le bump

hello racing beat can i get an answer i wanna buy a zaust and if i don't get any info on this i'm goin with tanabe