Those of you without cats come in
04-15-2006, 07:27 PM
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Those of you without cats come in Ive noticed incridible black buildup on my rear bumber ever since i installed my LTs and removed my cats. Have any of you had thise problem?
and what do you do to try to avoid it?
and what do you do to try to avoid it?
04-15-2006, 07:33 PM
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IT depends on how long I go wiothout washing it. and the weather. Its noticable after only a day or 2 of driving. unless its raining then its noticable as soon as the rain settles. I think the carbon gets caught by the water as it falls back onto my car.
04-15-2006, 07:38 PM
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I am sure there is a little...but mega-black soot is not good by any measure. If it occurs in 24 hours, something is burning... 
you gotta remember,these are computer controlled,if its in fair tune,it shouldn't really burn much at all...although cats do help...
you gotta remember,these are computer controlled,if its in fair tune,it shouldn't really burn much at all...although cats do help...
04-15-2006, 07:45 PM
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so about how long should it take for this buildup to occur if everthing is running smooth. I just washed my car for the first time in a while today so I can measure from here on.
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04-15-2006, 08:00 PM
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I didnt so much remove the cats as I did not want to spend another $300 for a catted Y-pipe when I got my Long Tube Headers. But I do hear it frees up a horsepower or 2.
04-15-2006, 08:04 PM
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Originally Posted by AnthonyConstant
so does removing the cats do anything in performance?
just cut and weld?
just cut and weld?
04-15-2006, 08:11 PM
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Well, and this is all personal preference, I hate the raspy sound it can create with certain catbacks when you remove the cats. I have the hooker catback however, which totally removes that raspy sound.
04-15-2006, 11:30 PM
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Not on the bumper cover, but I've get soot on the Corsa knock-off tips I have. I end up with black on the flared inside part of the tips by the end of every drive.
Of course I also have a 236/236 112 that is tuned a bit rich. ~Joshua
Of course I also have a 236/236 112 that is tuned a bit rich. ~Joshua
04-16-2006, 11:38 AM
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Originally Posted by Ell Ess Won
Cutout before the muffler solves that!
I have my ghetto cut out in the end of the I pipe right before it turns up to go over the axle....
04-16-2006, 01:01 PM
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put about 20 hwy miles both on her last night and when I got back there was nothin on the bumper. only seesm to be really bad in the rain. I still took off my shirt and wiped the bumper down just in case.
04-16-2006, 02:53 PM
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Originally Posted by NHRAMAN
just put pipe instead of where cats were...you need o2 sims also or get them tuned out...minimal hp...2-3 ?? maybe.......the SOUND is much better though as far as I am concerned.