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Very nice , that is my plan next year but maybe a different end can, nothing wrong with what you have i just cannot justify Yoshi prices, did you keep the exhaust valve?


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Good job. I running Nitrous on my GSXS1000 Naked and found out how restrictive the Cat is on this bike.

Again good job.

Did you remove the exhaust valve and how loud is your exhaust now?
 

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Discussion Starter #8
exhaust valve is open ( it is only there for emissions) i also removed the baffle out of the airbox

pretty happy with the sound i didnt want it to be super loud that is why i went with the
yosh

afr took a while to get sorted though the ecu but the gains were worth it

jason
 

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exhaust valve is open ( it is only there for emissions) i also removed the baffle out of the airbox

pretty happy with the sound i didnt want it to be super loud that is why i went with the
yosh

afr took a while to get sorted though the ecu but the gains were worth it

jason
Nice work Jason! On the dyno sheet, is it all stock vs exhaust/ecu flash? Also, what model is that yoshi can originally for?
 

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yosh can is for fz-09

stock was 137
it was stock exhaust with unrestricted flash vs. exhaust with custom ecu tune

jason
Thank you sir! Speaking of FZ09, my pal needs a woolich dyno tune with auto blip/launch control (2014 fz09, full brocks alien head exhaust). Can you accommodate him? PM me.
 
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