black widow exhaust just fitted to yamaha fzr 1000 drag bike

[@mrlarkin6416]

They are a nice exhaust system alright got one on my xj

[@adambond4729]

Hi I have a 1994 FZR1000 with a missing EXUP valve and I was wondering would this exhaust fix the lag I get at the beginning of the rev range? Seems like a good fix seeing that I can't find EXUP valves in the US anywhere.

[@johnjeffersondragracingtea7487]

Yes pal talk to the company they will advise you 👍

[@stevenlittle251]

What swinging arm is that and will it fit the 600r thanks

[@johnjeffersondragracingtea7487]

It's a std stretched arm