Cat replacement pipe. - Civinfo
 
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post #1 of 12 (permalink) Old 4th January 2009, 21:19 Thread Starter
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Cat replacement pipe.

can somone please tell me, Is it worth removing the cat once you have a Hondata ecu, would it put any lights on the dash.
Cheers
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post #2 of 12 (permalink) Old 4th January 2009, 21:22
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can somone please tell me, Is it worth removing the cat once you have a Hondata ecu, would it put any lights on the dash.
Cheers
Not that I have done it, but as I understand it if you buy a decent decat down pipe you can gain upto 5bhp when combined with the Hondata, and because it's relitively cheap, I say go for it

just make sure you get before and after dyno runs and post them up
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post #3 of 12 (permalink) Old 5th January 2009, 11:58
 
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If you want to unleash a few more hp, but still want to appear street legal, I'd suggest a metalic high flow cat. It will net you a couple less hp than a test pipe, but at least if anybody checks, you technically still have a cat.

Vibrant Performance ::.

I've got the Vibrant raceheader with one of their metalic core cats attached, and I did get check engine lights every 19 miles. I solved the problem by adding an angled defouler to the secondary O2 sensor, and have been CEL free for over 10,000 miles. Let me also add that people are hit of miss with the CELs from these products. Some people get them immediately, and some people never get them at all.
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post #4 of 12 (permalink) Old 5th January 2009, 14:02 Thread Starter
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Thanks for the reply, Im not to fussy about been legal side of it when it comes to exhausts ect,, After all it says on the Hondata for track use only, But I do of course the legal side of tyres and other safety requirments. Just before i get jumped on
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post #5 of 12 (permalink) Old 5th January 2009, 15:00
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Quote:
Originally Posted by Mr JP View Post
Not that I have done it, but as I understand it if you buy a decent decat down pipe you can gain upto 5bhp when combined with the Hondata, and because it's relitively cheap, I say go for it

just make sure you get before and after dyno runs and post them up

MrJP, where did you get your decart? and would it make the car louder?
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post #6 of 12 (permalink) Old 5th January 2009, 15:04 Thread Starter
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Hi K15KNY,, I think MrJp said he didnt have a decat ??
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post #7 of 12 (permalink) Old 7th January 2009, 12:00
 
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I have tryed with a decat on mine. I also have a blueflame cat-back system. But must say the sound was way to loud for me, the car started to rattle everytime i put my foot on the gas and the dashboard came up with a error also... So wont be doing that again. Maybe a legal metal cat is better? But i would highly recommend not to mess around with the cat, ive had some small problems with rattles since. Very annoying!
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post #8 of 12 (permalink) Old 7th January 2009, 12:09 Thread Starter
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Thanks for the message,, did you have a Hondata ecu, just wondering about your warning light.
cheers
Terry
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post #9 of 12 (permalink) Old 7th January 2009, 12:25
 
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Stock ecu
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post #10 of 12 (permalink) Old 7th January 2009, 22:35 Thread Starter
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ok thanks
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post #11 of 12 (permalink) Old 8th January 2009, 21:33
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Don't bother.
Initially it felt better as jump in midrange torque but as rpm increased it actually became restrictive due to design and lost quite a lot of bhp top end. Mine was the ABP one.

Got a dyno print somewhere am trying to find will post up later.

As Mattsbobo said a sportcat works and one was tested and made good gains. Think it was the Burk??SP? one.

Last edited by tpw; 8th January 2009 at 21:38.
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post #12 of 12 (permalink) Old 8th January 2009, 22:07 Thread Starter
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Hey thanks for that, Ill look out for a sports cat, cheers

Terry
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