This is the Competition Werkes slip on for first gen Duke 390 and RC390. Saves close to 10 lbs over stock exhaust.
It's my favorite pipe with a very distinct tone - on the loud side without a doubt. I ride with earplugs. Only reason I'm selling is I have worked as a moto pilot for a local...
Different day, different dyno. Local motorcycle shop 613 Motorsports had a 10 Year Anniversary Party complete with onsite dyno. 3 pulls for $60 with proceeds to local charity. Highest and lowest HP competition. They had a 400cc and lower class so entered the Duke. When I arrived, highest HP...
Uh oh. I've got very tight clearances with my Dyno Jet quick shifter and Chinese rearsets. I'm running GP shift and have used both the Ninja 250 short shifter piece and the stock arm. I went back to the stock shifter arm as I wasn't getting consistent shifting with the shorter arm.
Both...