HP Corse Custom Exhaust

talkriver

.020 Over
Joined
Jan 15, 2021
Messages
39
Location
Japan
Ride
Rocket 3 R MY2020
My mate fabricated joint pipe himself then installed HP Corse exhaust on his R3R as attached photo.
Since he didn't like its sound once he run the bike, he is considering extra modification right now.
 

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nice
can he still change the tire when he has a flat
 
idk said:
With the correct tools carried on the bike, along with heat-resistant gloves?
Click to expand...
Cannot take off bolts with on-vehicle tool because those size don't match.
I guess it is better to use heat-resistant gloves, if the pipe is hot.
 
That looks like a good place to stuff a turbo charger.... Any pics of the exhaust from the other side? Looks good.
 
Gregger said:
That looks like a good place to stuff a turbo charger.... Any pics of the exhaust from the other side? Looks good.
Click to expand...
He uninstalled the exhaust pipes and is modifying them right now.
I would be able to get some pictures then upload here when he finished the modification.
 
The mate has finished the exhaust pipe then installed.

He Added a motor valve to make less loud.
The motor valve allows to select two position i.e. fully open and a constant aperture. He set the constant aperture around 30% flow.
You can hear difference between them. He also wrote Penner's map into ECU then rode. Seems to be satisfied with the performance.
 
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