Which system is better, yoshi or termignoni?? - ZX Forums
 
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post #1 of 5 (permalink) Old 02-12-2017, 08:59 AM Thread Starter
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Which system is better, yoshi or termignoni??

Hi everyone

I have 2 race systems here for my build + wondering which system makes better power

It's a J bike due to date regs but will be a built engine running wiseco or L pistons, balanced bottom end, head work, cams if I can source + fcr41's

Exhaust system choices are
Yoshi full
Termignoni high level full

It's on a build for classic TT on the Isle of man

Someone else has mentioned the yoshi is better but I realy like the steeper end can angle of the termignoni

Any input greatly appreciated

Cheers
James

Last edited by james66; 02-12-2017 at 09:02 AM.
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post #2 of 5 (permalink) Old 02-13-2017, 11:15 AM
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I Ride: 2012 zx10R, 1996 zx9r

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Termignoni makes a pipe for the zx7?
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post #3 of 5 (permalink) Old 02-13-2017, 11:59 AM Thread Starter
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Yes, can still be bought new
When I say high level It's more like a steep angle like the ti muzzy systems
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post #4 of 5 (permalink) Old 02-13-2017, 07:16 PM
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I Ride: 1990 ZX-7 H2, 1992 ZX-7R K2, 1992 ZX-7/9, 2002 Ducati 900ie Supersport, etc...

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Hi James,

Envious of your project and intentions...

As for which pipe to go and smoke, I'd suggest finding a dyno to see which one gives what curve and go from there. You're looking for every reliable pony you can make so finances allowing, it will be worth your time with the added benefit of knowing your combination is fully optimized.

You mentioned you're planning on some head work, etc. so considering the fact that you are going to be deviating from OEM trim, you are entering the unknown. Unless the pipes are full race and were bent with race mods in mind, they were tuned for a basically stock motor with a jet kit.

Both Yosh and Termi are known to make positive power changes so short of the dyno option, I'd say go with what you like aesthetically and in this case the Termi may give you a bit more ground clearance. I had a Sudco (OEM'ed by Hindle) standard height on my L1 I short circuit raced and in severe right handers would only just get into the front edge of the silencer, and that was after the bodywork was already skimming the ground. Not much risk of a high center, but maybe beneficial to have one less thing fighting for your attention with the addition of some more ground clearance.

My .02p

Best of luck with the build and the TT man.
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post #5 of 5 (permalink) Old 02-17-2017, 11:55 AM
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I have a full titanium termignoni system for sale...only problem is it comes with the bike......zxr750J1 track bike with day time mot 1500 :-)
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