Full System Exhaust Feedback - Kawasaki ZX-10R.net
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post #1 of 28 Old 11-02-2007, 09:47 PM Thread Starter
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Full System Exhaust Feedback

I got a smoking deal on a full system exhaust for my zx10r. I had a few questions... I will be using the bike for both street and some track. With a full system and with the exup exhaust valve removed, will the bike run poorly on the street? I know that exhaust valve evolved to moderate the back pressure thereby increasing torque and driveablility for the street. Without it, will there be a big and negative difference?
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post #2 of 28 Old 11-02-2007, 09:49 PM
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improvement. It frees restriction. I have a full exhaust on mine and love riding.
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post #3 of 28 Old 11-02-2007, 09:56 PM
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Originally Posted by Hero View Post
I got a smoking deal on a full system exhaust for my zx10r. I had a few questions... I will be using the bike for both street and some track. With a full system and with the exup exhaust valve removed, will the bike run poorly on the street? I know that exhaust valve evolved to moderate the back pressure thereby increasing torque and driveablility for the street. Without it, will there be a big and negative difference?
You need a PC3 and dyno tune with a full system.
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post #4 of 28 Old 11-02-2007, 09:58 PM Thread Starter
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I have a pc3 but i'll have to pinch some pennies to save up for the dyno, and the wife's b-day is coming up so it may be awhile. It will probably have to be one thing at a time.
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post #5 of 28 Old 11-02-2007, 10:06 PM
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I have a bunch of mods on my 04, I am using the Akrapovic full system map from the dynojet site and it works great!

I have full evo II, pcIII, thin head gasket, and kit intake cam!

I ride it in the canyons and she has plenty of low to mid....on the track it is off the hook on top end!

Last edited by KaTooM; 11-02-2007 at 10:11 PM.
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post #6 of 28 Old 11-02-2007, 10:09 PM Thread Starter
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I think it's decided. I'm putting the system on tomorrow. One question, will getting rid of the exhaust valve trigger an error warning?
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post #7 of 28 Old 11-02-2007, 10:12 PM
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I think it's decided. I'm putting the system on tomorrow. One question, will getting rid of the exhaust valve trigger an error warning?
Leave the servo for the exhaust valve plugged in, just remove the valve cables and you won't get the FI light.
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post #8 of 28 Old 11-02-2007, 10:12 PM
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I think it's decided. I'm putting the system on tomorrow. One question, will getting rid of the exhaust valve trigger an error warning?
Not if you leave the servo motor plugged in!

Just disconnect the cables!
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post #9 of 28 Old 11-02-2007, 10:14 PM
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Later you can get Ivans servo eliminator and save some weight.

Last edited by KaTooM; 04-25-2008 at 03:09 PM.
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post #10 of 28 Old 11-02-2007, 10:18 PM
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I have a bunch of mods on my 04, I am using the Akrapovic full system map from the dynojet site and it works great!

I have full evo II, pcIII, thin head gasket, and kit intake cam!

I ride it in the canyons and she has plenty of low to mid....on the track it is off the hook on top end!
You're using a generic map with those mods Well I guess if it works for you that's what counts but unless you hit the jackpot with that map, there'd still be room for improvement.
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