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Old 02-25-2006, 04:03 PM   #1 (permalink)
saleen50
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Today i install my bbk x pipe with high flow cats... only 1 dosent work....... i had a stock h pipe now.... the sound isnt that loud... u believe its cause of the highflow cat not workin...!?!?!?!!??!?!!and my car is auto
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Old 02-25-2006, 05:18 PM   #2 (permalink)
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How do you know if it's not working? X-pipes are always a little bit louder on manual than auto.. I still dont know hwo u can tell if one of the cats isnt working... if you want loud go off road..


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Old 02-25-2006, 06:17 PM   #3 (permalink)
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Well, I wonder the same thing. How do you know if your cat isn't working?
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Old 02-25-2006, 07:09 PM   #4 (permalink)
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Unless you are getting a code thrown, I doubt you could tell a cat wasn't working.
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Old 02-25-2006, 08:35 PM   #5 (permalink)
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well when my friend sold it to me he told me his cat was messed up... which its noticeable beacause its smashed he hit a bump....... so thats why..... but then again if u think about it if the cat is not workin isnt it like if u offroad?????
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Old 02-25-2006, 11:16 PM   #6 (permalink)
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Nope because if its smashed then it is restricting the airflow even more than if the cat was working properly.



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Old 02-26-2006, 07:02 AM   #7 (permalink)
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Well if it smashed, depending on the design, I too would think it isn't working as it should. However, if it weren't cleaning as it should, you would get a code tossed.
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Old 02-26-2006, 12:27 PM   #8 (permalink)
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Yeah you would throw a code if its not opperating. Inside it looks like a million honeycomb peices, so even if you smash it, it would colapse and should just be restrictive or blocking in the part that is smashed. Run your car for about 15 minutes, get under the vehicle and check the temp right behind the cat. be carefull because its either hot, warm, or if it doesnt work it should be a normal warm temp.
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