exaust system
06-05-2006, 12:07 AM
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exaust system
hello guys. in the kleemann exaust system there are 4 catylest in each line, i removed the last 2, the long one in the middle plus the one at the rear, the sound is amazing!!!! but will it effect the power or will remain the same?? thanks
06-05-2006, 02:30 AM
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I'm not too familiar with Kleemann or any other aftermarket providers for that matter, but I don't think it was a very good idea to remove components of a system that they installed on your car. Given the precision with which these parts are manufactured, they each are built to work perfectly with each other. When you mess with one, all the others get messed up as well. I would assume removing your secondary cats would affect your backpressure and thus throw off your ECU mapping. If I were you I'd PM someone a little more versed in these areas. Hope this helped.
06-05-2006, 08:05 AM
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i actually asked a kleemann engineer, he said these cats are there only for sound ristriction in european countries. i asked him clearly would i loose power or my warranty he said not at all. i just wanted to double check with u guys here. but its really worth it removing these cats, the sound is amazing.
Last edited by E55HID; 06-05-2006 at 08:07 AM.
06-06-2006, 09:52 AM
#5
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Secondary Cats wont throw SES codes...but could loose some backpressure and torgues...
You should have dynoed your car before and after...
Post a sound clip...
You should have dynoed your car before and after...
Post a sound clip...
