Ecu reflash to exact exhaust. Dyno required? - Kawasaki ZX-10R.net
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post #1 of 15 Old 09-02-2017, 07:06 PM Thread Starter
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Ecu reflash to exact exhaust. Dyno required?

Hey guys,

I'm thinking of getting the yoshi rd77 3/4 system. I've seen online that schnitz racing will flash an ecu to this exact exhaust map and will be more cost efficent than a power commander/custom dyno tune. I know this is threaded on quite often but just wondering- will an ecu flash to an exact exhaust make the pc tune not needed? The woolich website made it seem like it is not needed but I just wanted to be sure. Thanks in advance
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post #2 of 15 Old 09-02-2017, 08:22 PM
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You have a 4th gen?

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post #3 of 15 Old 09-02-2017, 08:36 PM Thread Starter
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Yep 2013
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post #4 of 15 Old 09-02-2017, 08:40 PM
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A flash might make the tune not needed. You won't know unless you measure the afr after the flash.

My opinion/experience is it doesn't take a lot of extra fuel for a slip that deletes the cat. Drivability and bike smoothness is where a person who flashes the bike earns the money.
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post #5 of 15 Old 09-02-2017, 08:47 PM
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If you want to get a Woolich setup a little cheaper, i have the interface box for sale in the for sale forum. You'll safe like 60 or 70 bux total...

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post #6 of 15 Old 09-04-2017, 10:43 AM
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this bikes compensate smartly... the gen 4.... stock map vs a fully tuned decat slip on bike, are very very close...
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post #7 of 15 Old 09-05-2017, 09:35 AM
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Quote:
Originally Posted by mpp12 View Post
this bikes compensate smartly... the gen 4.... stock map vs a fully tuned decat slip on bike, are very very close...
Wait what? How does the bike compensate?

And a stock map and flashed map is about 15whp difference in the US
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post #8 of 15 Old 09-05-2017, 09:58 AM
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sorry, the fuel map stock vs a flash map, in the fuel are max +-5%... in ignition, STVs are way different.
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post #9 of 15 Old 09-05-2017, 11:10 PM Thread Starter
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Thanks for the input guys. I've heard that the decat options are close AFR in the past but just wanted some extra advice/confirmation. I'll probably end up purchasing the exhaust soon (I'll probably treat myself to early Christmas and open the wallet for the carbon fiber) and will the send the ecu once the PA weather starts to turn for the worse. im anxious to see the differences since I bought her 100% stock last november
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post #10 of 15 Old 09-06-2017, 12:00 AM
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So I got the Guhl ECU reflashed, added Bazzaz, put on a Akra with straight pipe, got a custom map, took it to another place who then removed the secondaries and got more power with another custom. I hated the loud pipe and crappy low end and midrange, so put the cat back on and took it to Attack Performance for a 3rd custom map and clean up to smooth out the rough transition off throttle, got back all the low end and mid range and now am at 185 RWHP with a CAT, and very smooth operation to over 14,000. You pays your money and you make choices. I have spend over $10,000 in options on my Gen 4. Ohlins, gearing, rearsets, brakes, etc, etc, etc. Just saying it ain't so simple.

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