How do I remove the Cat from my California model?

quadcrazy · May 18th, 2013, 09:47 AM

Hey guys, so I have a California model Ninja 300. From what I understand this comes stock with a cat and some other components that I don't know much about. I read somewhere that removing the cat may slightly increase power and seeing as how I live in Florida I don't need it. Does anyone know how I could go about doing this?

Thanks

Joshorilla · May 18th, 2013, 10:04 AM

You don't "need" it by law, but there is a strong moral argument to leaving it in, they measurably reduce emissions, and manufacturers but them in for a good reason.

If you did cut the cat out, you would also need to change the fuel ratio by using a piggyback device or re-flashing the computer or you'll run lean.

If the 300 has a snorkel, you could remove this for more power.

old3 · May 18th, 2013, 11:47 AM

Towards the end of the thread.

http://www.ninjette.org/forums/showthread.php?t=120376

I'd ride it without a tuner for a bit, but definitely get one at some point. The Area-P is excellent.

quadcrazy · May 18th, 2013, 01:57 PM

I can definitely respect the moral argument of leaving it on, I'm just curious as to how to do it. I appreciate the responses but what do you guys mean by it running lean? And what is a tuner?

Thanks again.

old3 · May 18th, 2013, 05:16 PM

The fueling is a bit lean to begin with on the 300, less fuel than air to better pass smog testing. When you remove air restrictions in the path of that charge, either intake or exhaust, it gets leaner still.

A tuner is a piggy back computer that adds or subtracts fuel for the best ratio that the engine works at regardless of what a government document says it should be. The engineers who built the bike would have the fuel set this way if they were free to do so. An Area P tuner can adds gobs of torque and power to a bone stock bike.

Honestly, if you aren't sure what these things do yet, take some more time to get your feet wet. Do your homework and figure what you want and what you need.

quadcrazy · May 19th, 2013, 12:57 PM

Appreciate the responses, I'll look more into everything.

adouglas · May 19th, 2013, 01:17 PM

Offer it a saucer of warm milk.

Bthibodeaux · May 19th, 2013, 02:08 PM

Jim,
I am planning to remove my cat next weekend, and install the Area P tuner with Akrapovic S/O. So I guess I am a copy cat....

Anyway, can you tell me how much of the header you cut off to get to the cat internals?

Thanks,
Brian

old3 · May 19th, 2013, 02:29 PM

Quote:

Originally Posted by Bthibodeaux

Jim,
I am planning to remove my cat next weekend, and install the Area P tuner with Akrapovic S/O. So I guess I am a copy cat....

Anyway, can you tell me how much of the header you cut off to get to the cat internals?

Thanks,
Brian

Brian, if you look at post #20 in the thread I linked above you can see where I cut mine. That should get you close enough, it chipped out pretty easily. One slice, remove and weld it back together. If you have a welder at home it is a one hour job start to finish, tops.

Joshorilla · May 19th, 2013, 02:45 PM

If you invest in a bazzaz unit, you will have the ability to add a self tuner unit, and will have access to all the maps other users upload to their DB.

It's a little more expensive than the area p, but the software seems better and the access to maps from their DB also seems better.

http://www.bazzaz.net/index.php/maps-research-database

Bthibodeaux · May 19th, 2013, 02:53 PM

Quote:

Originally Posted by old3

Brian, if you look at post #20 in the thread I linked above you can see where I cut mine. That should get you close enough, it chipped out pretty easily. One slice, remove and weld it back together. If you have a welder at home it is a one hour job start to finish, tops.

Got it. Thank you! Yep, have a little Miller 135 MIG.

old3 · May 19th, 2013, 03:27 PM

IIRC you can stick a wire in there to get a fix on the cat so you avoid chopping thru it.

quadcrazy · May 19th, 2013, 08:14 PM

Hey old3,

So basically you cut the exhaust and pulled out the cat? Then had it welded back together? Before installing the tuner I mean.

old3 · May 19th, 2013, 08:18 PM

Yep. Off road use only, of course.

quadcrazy · May 20th, 2013, 04:25 AM

Quote:

Originally Posted by old3

Yep. Off road use only, of course.

What do you mean? Sorry for my noobness.

old3 · May 20th, 2013, 01:01 PM

That is the tag all the exhaust companies put on their systems and cans.

May 18th, 2013, 09:47 AM	#1
quadcrazy ninjette.org member Name: DJ Location: Lake Worth Join Date: Mar 2013 Motorcycle(s): Ninja 300 Posts: 47	How do I remove the Cat from my California model? Hey guys, so I have a California model Ninja 300. From what I understand this comes stock with a cat and some other components that I don't know much about. I read somewhere that removing the cat may slightly increase power and seeing as how I live in Florida I don't need it. Does anyone know how I could go about doing this? Thanks

May 19th, 2013, 01:17 PM	#7
adouglas Cat herder Name: Gort Location: A secret lair which, being secret, has an undisclosed location Join Date: May 2009 Motorcycle(s): Aprilia RS660 Posts: A lot. Blog Entries: 6 MOTM - Jul '18, Nov '16, Aug '14, May '13	Offer it a saucer of warm milk. __________________________________________________ I am NOT an adrenaline junkie, I'm a skill junkie. - csmith12 Nam et ipsa scientia potestas est. Heri historia. Cras mysterium. Hodie donum est. Carpe diem.
	2 out of 2 members found this post helpful.

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May 18th, 2013, 10:04 AM	#2
Joshorilla Bass Master General Join Date: Aug 2012 Posts: A lot. Blog Entries: 24	You don't "need" it by law, but there is a strong moral argument to leaving it in, they measurably reduce emissions, and manufacturers but them in for a good reason. If you did cut the cat out, you would also need to change the fuel ratio by using a piggyback device or re-flashing the computer or you'll run lean. If the 300 has a snorkel, you could remove this for more power.

May 18th, 2013, 11:47 AM	#3
old3 ninjette.org sage Name: Jim Location: NJ Join Date: Nov 2012 Motorcycle(s): Ninja 300, KTM EXC610SMR Posts: 913	Towards the end of the thread. http://www.ninjette.org/forums/showthread.php?t=120376 I'd ride it without a tuner for a bit, but definitely get one at some point. The Area-P is excellent.

May 18th, 2013, 01:57 PM	#4
quadcrazy ninjette.org member Name: DJ Location: Lake Worth Join Date: Mar 2013 Motorcycle(s): Ninja 300 Posts: 47	I can definitely respect the moral argument of leaving it on, I'm just curious as to how to do it. I appreciate the responses but what do you guys mean by it running lean? And what is a tuner? Thanks again.

May 18th, 2013, 05:16 PM	#5
old3 ninjette.org sage Name: Jim Location: NJ Join Date: Nov 2012 Motorcycle(s): Ninja 300, KTM EXC610SMR Posts: 913	The fueling is a bit lean to begin with on the 300, less fuel than air to better pass smog testing. When you remove air restrictions in the path of that charge, either intake or exhaust, it gets leaner still. A tuner is a piggy back computer that adds or subtracts fuel for the best ratio that the engine works at regardless of what a government document says it should be. The engineers who built the bike would have the fuel set this way if they were free to do so. An Area P tuner can adds gobs of torque and power to a bone stock bike. Honestly, if you aren't sure what these things do yet, take some more time to get your feet wet. Do your homework and figure what you want and what you need.

May 19th, 2013, 12:57 PM	#6
quadcrazy ninjette.org member Name: DJ Location: Lake Worth Join Date: Mar 2013 Motorcycle(s): Ninja 300 Posts: 47	Appreciate the responses, I'll look more into everything.

May 19th, 2013, 02:08 PM	#8
Bthibodeaux ninjette.org newbie Name: Brian Location: Houston Join Date: May 2013 Motorcycle(s): Ninja 300, Ducati 916 Posts: 5	Jim, I am planning to remove my cat next weekend, and install the Area P tuner with Akrapovic S/O. So I guess I am a copy cat.... Anyway, can you tell me how much of the header you cut off to get to the cat internals? Thanks, Brian

May 19th, 2013, 02:45 PM	#10
Joshorilla Bass Master General Join Date: Aug 2012 Posts: A lot. Blog Entries: 24	If you invest in a bazzaz unit, you will have the ability to add a self tuner unit, and will have access to all the maps other users upload to their DB. It's a little more expensive than the area p, but the software seems better and the access to maps from their DB also seems better. http://www.bazzaz.net/index.php/maps-research-database

May 19th, 2013, 03:27 PM	#12
old3 ninjette.org sage Name: Jim Location: NJ Join Date: Nov 2012 Motorcycle(s): Ninja 300, KTM EXC610SMR Posts: 913	IIRC you can stick a wire in there to get a fix on the cat so you avoid chopping thru it.

May 19th, 2013, 08:14 PM	#13
quadcrazy ninjette.org member Name: DJ Location: Lake Worth Join Date: Mar 2013 Motorcycle(s): Ninja 300 Posts: 47	Hey old3, So basically you cut the exhaust and pulled out the cat? Then had it welded back together? Before installing the tuner I mean.

May 19th, 2013, 08:18 PM	#14
old3 ninjette.org sage Name: Jim Location: NJ Join Date: Nov 2012 Motorcycle(s): Ninja 300, KTM EXC610SMR Posts: 913	Yep. Off road use only, of course.

May 20th, 2013, 01:01 PM	#16
old3 ninjette.org sage Name: Jim Location: NJ Join Date: Nov 2012 Motorcycle(s): Ninja 300, KTM EXC610SMR Posts: 913	That is the tag all the exhaust companies put on their systems and cans.