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Old August 24th, 2018, 09:52 PM   #4
$wim
ninjette.org member
 
Name: Mark
Location: La crosse
Join Date: Jun 2018

Motorcycle(s): 06 ninja 250r, 82 yamaha xj750

Posts: 37
Quote:
Originally Posted by Racer x View Post
What you loose is torque . I found that short open exhaust cost about one or two ft lb of torque. Plus added noise.
Long pipes seem to be the best for scavaging. The best system I ever made was 57 inch primary pipes and long cones. Then a reverse cone at the end. I kept open I g the outlet until the power stopped going up. About an inch and a half .
I probably won’t gut mine then, do you have any pictures or that 57 in primary with the reverse cone?
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