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Discussion Starter · #1 ·
Hey guys, this is my first post here so go easy, glad to find a forum dedicated to the bike!
So down to the point:
I have a 2004 z1000, Bone stock with a slip on exhaust set on its way.
Its the "Dan moto" gp style exhaust Ive herd a bunch about. tons of pros and cons but not what im here for.
What Ive been told is that with my new exhaust My air/fuel mixture is going to off do to my new free flowing exhaust. This can cause my bike to run rich or lean, and is hard on the bike. I want to fix this.
Im a third year automotive service technician so I know how to turn a wrench but Im still on the learning curve of course.
From what I understand I need to get a new map for my ecu so that my fuel system works porperly with my new exhaust.

How do I go about doing this?
Is this the right thing to be doing?
How hard is it really on the engine with the aftermarket exhaust and not touching the map?

Any info is of great help and very much appreciated!!
thanks guys, -Garret
 

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I ran my muzzy's slip ons without remapping with no problems. However, if you would like to remap any of your fuel mapping; you will need a Power Commander, Juice Box, Techlusion, or other fuel management device. I bought a power commander iii. Has worked out great, and no problems. I have 27,000 on my 2003 Z1K.
 

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ZCole - I wouldnt worry about it...

I had the 03 Z1000, and I ran it for years with a pair of slip ons with no issues whatsoever. Now, if you put a full system and did the airbox mod, you would definitely need a Power Commander. But with just a set of slip ons the bike is fine...the ECU has to be able to adjust for differences in elevation, so it can adjust itself for the slight change in exhaust.

No map needed. Of course, putting a Power Commander on it would probably make it run a bit better - but is that worth the $400+?
 

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with just a set of slip ons the bike is fine
+1, with a set of slip ons, it's really not going to make a big enough difference to notice, or in other words, require a PCIII. If you are running a full exhaust, then yes you would want and need one.

BUT, there is definitely nothing wrong with getting a PowerCommander and downloading a suitable map online, or better yet having a custom one made. Bikes come lean stock, so a PCIII would definitely not hurt it and would also allow you to do the air box mod as well.

The choice is yours.
 

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ZCole - I wouldnt worry about it...

I had the 03 Z1000, and I ran it for years with a pair of slip ons with no issues whatsoever. Now, if you put a full system and did the airbox mod, you would definitely need a Power Commander. But with just a set of slip ons the bike is fine...the ECU has to be able to adjust for differences in elevation, so it can adjust itself for the slight change in exhaust.

No map needed. Of course, putting a Power Commander on it would probably make it run a bit better - but is that worth the $400+?
400 bucks!? where did you buy yours at? Mine was like $270 shipped with the map of my choice pre-loaded on it.
 

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I agree, I ran a pair of Yosh slip-ons for thousands of miles on my '07 with absolutely no issues at all. However, after installing a PCIII I felt it needed more air. I cut the cover out of the stock airbox cover and bang! It was just what the bike needed to get the power the PCIII advertized. It runs great with a downloadable DynoJet map for Two Brothers slip-ons, aftermarket air filter (i can't remember if it said airbox mod or not). The custom map is on my wish list but it runs so well it seems like a waste at times. I rode 3 days last weekend for a total of 600+ miles and got 38 mpg.

However, I do remember giving someone this same advice a few weeks ago (we all did) and he came back saying he was over-heating. But I think he had heating issues to start with.
Once again, I think everything should be fine. Tons of people have done the same with no troubles at all.
I bought my PCIII from kneedraggers for $270 to the door.
 

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I have had my 07 for just over a year now and have put over 20,000 miles on her with slip-ons and airbox mod with no PC III....just changed the plugs and all were a good brown tint...not too lean...not too rich
 

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I have this Dan Moto GP carbon fiber exhaust on my bike. And yes it will snap crackle and lean pop when you put it on a stock map bike. I had to put a Dyno Jet PC3 on my bike to add more fuel. If you dont you will notice the ends of the pipe will burn grey and the bike will run hot!! I had to play with the PC3 for a long time to find a good map to get a good burn and a nice black carbon look on the exhaust ends like you want. I plan on running mine on a dyno to get it set up properly. Powercammander doesn't offer a program for those pipes.
 

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got my pc3 from dennis kirk for $278. money well spent
 

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I have this Dan Moto GP carbon fiber exhaust on my bike. And yes it will snap crackle and lean pop when you put it on a stock map bike. I had to put a Dyno Jet PC3 on my bike to add more fuel. If you dont you will notice the ends of the pipe will burn grey and the bike will run hot!! I had to play with the PC3 for a long time to find a good map to get a good burn and a nice black carbon look on the exhaust ends like you want. I plan on running mine on a dyno to get it set up properly. Powercammander doesn't offer a program for those pipes.


I have the same setup. Which map are you running? So i don't have to sort through them all..
 
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