brobin01
Novice Class
Posts: 66
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posted April 18, 2006 11:03 AM
Replace/Remove Cat Converters
Has anyone removed or replaced the Cats on the 06 ZX10R ? I looked at mine and it looks like the pipe could be cut then gutted but I'm afraid do cut then find out I'm screwed.
Has anyone attempted it on the 06 ZX10R ? Does anyone have a CAT they can sell me on ebay so I can test ?
Reason.... no doubt will make it cooler, I will be able to replace belly pan with closed one, will make a deaper sound, will make more power given less restricion, will be a little lighter maybe .5 lb but I dont really care.
Thanks in advance !!
  
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edgey999
Parking Attendant
Posts: 5
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posted April 18, 2006 04:51 PM
Hi
Check out this (UK) website, it shows a new cat replacement pipe just available in the UK.
http://www.motorcyclenews.com/nav?page=motorcyclenews.articles.articleCategory.article&resourceId=4664603&articleCategory=NEWS_PRODUCT-NEWS
Regards
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frEEk
Administrator
ummm... yeah
Posts: 9660
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posted April 19, 2006 08:32 AM
why would you want to remove them? don't believe there's any benefit, and your exhaust is bound to be significantly dirtier (ie. spilling unburnt fuel into the air).
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longy00000
Novice Class
Posts: 44
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posted April 20, 2006 07:04 AM
 Edited By: longy00000 on 20 Apr 2006 08:04
Removing the Cats will NOT make any horsepower gains without a remap.
This has been tried and with a FULL s=ystem replacement and almost no extra ponies to play with until the PC was plugged in and set up so removing Cats alone is a waste of time other than the full belly pan issue but make sure the enclosed pan doesnt let things get too hot under tha fairing, those holes are often there for a reason, to drag hot air out.
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brobin01
Novice Class
Posts: 66
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posted April 20, 2006 10:39 AM
I want to destroy the @#$ world with my fumes u @#$ idiot !!!!!!!!!!
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frEEk
Administrator
ummm... yeah
Posts: 9660
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posted April 20, 2006 10:46 AM
wow, you sure put me in my place. thanks for teaching me a valuable lesson.
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brobin01
Novice Class
Posts: 66
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posted April 20, 2006 07:59 PM
 the comments about the exhaust was just to stupid to leave alone. .... only a complete idiot would make such a comment.....I'm betting it was just a joke
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cptcrunch
Expert Class
Posts: 128
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posted April 21, 2006 05:18 AM
man just go and get yourself a twobrothers slip on and it will do away with the cats altogether. then you will need a commander to help with the hp
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if you cant ride it, kiss it, or eat it, what good is it...............
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brobin01
Novice Class
Posts: 66
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posted April 21, 2006 05:39 AM
Edited By: brobin01 on 21 Apr 2006 06:44
I would go with the Arrow or Akra and power commander that would be around $2500. The CAT removal will be a $200 at most and it produces some great sound along with heat reduction for the belly pan. Further, it does flow better then another $65 for the air filter and that will flow it a little more which in turn typically makes for a better sound.
The other note is .... removeal of the EXUP valve always kills low end usable power ... always. End can swaping, mid pipe changes, CAT removal are tyically very cheap and if done right will yeld the best low usable power along with some pretty good sound.
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Fastmaster
Novice Class
Posts: 34
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posted July 13, 2006 12:26 PM
I disconnected the exhaust vavle and I had no low end torque problems on my 06. I think there was a significant gain in the upper rpms though. I also gutted my cats. With cats gutted, stock exhaust, power commander, air filter & throttle secondaries removed I made 161hp/ 79lbs torque. I haven't dyno'd with the exup mod though. I had to richen up between 3200 & 4500 rpms with the pc. From seat of the pants and street riding comparisons my buddy with a 14 thinks I picked up at least 4-5 up top with the ex. valve mod. We'll see on the dyno though.
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fastestbusaaround
Needs a life
I eat Fish...
Posts: 7889
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posted July 17, 2006 08:00 PM
Removing the valve gets no more top end...it's open above 5k anyway...what you're feeling is only what want to believe...and btw, your low end torque had to have dropped big time...those numbers you posted...they're pure stock numbers for any non-modded 06 10r. I make the same numbers as you on my 05...mapped and flies removed (which has zero effect on the top end)...
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FYYFF!!!
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zx1kr
Pro
Posts: 1301
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posted July 17, 2006 08:10 PM
quote:
Removing the valve gets no more top end...it's open above 5k anyway...what you're feeling is only what want to believe...and btw, your low end torque had to have dropped big time...those numbers you posted...they're pure stock numbers for any non-modded 06 10r. I make the same numbers as you on my 05...mapped and flies removed (which has zero effect on the top end)...
I hate to say this FBA but, you are wrong about the sec. removal not making gains on top-end , if you look at my Dyno results I increased HP thru-out the powerband by about 5HP after removing & tuning for No Flies. I ran before & after same day. It was about 7hp peak increase from dynoed w/ flies in.
Now this doesn't hold true for the 14. Why I can't say. Cuz, I haven't figured out that one yet! But, I'am workin on it!
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fastestbusaaround
Needs a life
I eat Fish...
Posts: 7889
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posted July 17, 2006 08:15 PM
I'm goin back to the Dyno on Monday...I'll post the charts...if I am wrong...you'll be the 1st to know...but it shouldn't make a difference on top...what are you putting out now and with what mod's?
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FYYFF!!!
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zx1kr
Pro
Posts: 1301
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posted July 17, 2006 08:20 PM
Edited By: zx1kr on 17 Jul 2006 21:20
I had 159.5 w/ flies in & full Akro, BMC,PCIIIusb.
Flies out untuned 161.5.
Flies out tuned 165.6
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zx1kr
Pro
Posts: 1301
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posted July 17, 2006 08:22 PM
I felt the diff. on the track, by a significant margin. P.P.'s can't handle the hit no more. Steppin up to the Pilot Race dual comp.
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Fastmaster
Novice Class
Posts: 34
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posted July 18, 2006 11:34 AM
There was a definite increase in top end as tested against my friends ZX14. Yamaha's original exup would block the down stream end of the exhaust when it was fully opened. I modded that and the bike would run into rev limiter after that mod. I wouldn't doubt that Kawi might start to slightly reclose the valve at the close to top revs. I didn't lose any bottom end either. I will dyno it and see and let you know. Got that ZX1kr.
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zx1kr
Pro
Posts: 1301
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posted July 18, 2006 05:26 PM
quote:
There was a definite increase in top end as tested against my friends ZX14. Yamaha's original exup would block the down stream end of the exhaust when it was fully opened. I modded that and the bike would run into rev limiter after that mod. I wouldn't doubt that Kawi might start to slightly reclose the valve at the close to top revs. I didn't lose any bottom end either. I will dyno it and see and let you know. Got that ZX1kr.
Yea man! Where ya been? I thought you were gonna do that last week?
Just gimme a day's notice & we'll getcha up on the dyno.
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Fastmaster
Novice Class
Posts: 34
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posted July 19, 2006 12:24 PM
How bout Saturday mornin like last time? Is 10am good?
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zx1kr
Pro
Posts: 1301
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posted July 19, 2006 09:30 PM
Saturday is gotta be later! I got a few HD's lined up for morning. Early afternoon will work though. Call & we'll move the carriage what;s 4 bolts amongst friends? I plan on some HP suprises on the 14 real soon. Lookin forward to rollin w/ you guys one sunday morn.
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Fastmaster
Novice Class
Posts: 34
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posted July 21, 2006 09:20 AM
quote:
I plan on some HP suprises on the 14 real soon. Lookin forward to rollin w/ you guys one sunday morn.
Cool. You gotta come out with us when you do your new mods. Do you need any new hardware for the dyno? If so what size? YOu can call me on my cell
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zx1kr
Pro
Posts: 1301
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posted July 21, 2006 05:57 PM
Na, I got it covered. I have to come up w/ a better solution for changing that carriage from HD length to sportbike length.
Thanks for the offer though! Did ya decide on a pipe? Or gonna keep playin w/ the stocker?
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