Which full exhaust gives the most increase in HP? - Kawasaki Ninja 300 Forum
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post #1 of 50 (permalink) Old 01-11-2014, 12:34 PM Thread Starter
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Thumbs up Which full exhaust gives the most increase in HP?

Which after market full exhaust gives the most increase in HP? In real world application...will I be able to even notice a difference? Not really worried so much about the sound....just the increase in HP.

Last edited by Spacep0d; 01-11-2014 at 04:47 PM. Reason: Caps
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post #2 of 50 (permalink) Old 01-11-2014, 12:49 PM
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I found this to be helpful


Do it me research.

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post #3 of 50 (permalink) Old 01-11-2014, 01:13 PM Thread Starter
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What about 2 brothers. Anyone know how they compare to this groups of aftermarket exhaust that were tested in the video?
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post #4 of 50 (permalink) Old 01-11-2014, 01:16 PM Thread Starter
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Will I really notice a 2 HP or 2.5 HP increase? Will there be more torque....more top end....? Is the cost/benefit worth $600?
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post #5 of 50 (permalink) Old 01-11-2014, 01:20 PM
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My butt dyno says no.

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post #6 of 50 (permalink) Old 01-11-2014, 01:57 PM
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As with the other thread, you could have searched.

That being said, Spacep0d got his bike to 40hp (+5hp) with a full Yoshimura R-77, Tune, and K&N airfilter. This is my plan as well.
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post #7 of 50 (permalink) Old 01-11-2014, 02:15 PM
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I was also trying to find out which exhaust would be most beneficial in terms of bhp for my track bike project. Watched the video in this thread and decided to go with the full Yosh system. Sounds like that may have been a good idea looking at what Spacep0d gained.

Even though it's only perhaps a couple more horsepower, I think the weight savings is another good benefit to consider.

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post #8 of 50 (permalink) Old 01-11-2014, 03:58 PM
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Quote:
Originally Posted by Ilya View Post
As with the other thread, you could have searched.

That being said, Spacep0d got his bike to 40hp (+5hp) with a full Yoshimura R-77, Tune, and K&N airfilter. This is my plan as well.
This is my setup and I can confirm the +5.

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post #9 of 50 (permalink) Old 01-11-2014, 04:02 PM
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Quote:
Originally Posted by eli2unc View Post
This is my setup and I can confirm the +5.
Which tuner are you using? If PCV, did you have it custom tuned on the dyno or are you using the downloaded map from Dynojet?

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post #10 of 50 (permalink) Old 01-11-2014, 04:06 PM
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Which tuner are you using? If PCV, did you have it custom tuned on the dyno or are you using the downloaded map from Dynojet?
Custom - mailed it in to flash-tune.com. Spacep0d's bike was actually the bike they used to map it.

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