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03-18-2011, 03:44 AM | #2 |
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a catless one will be loudest
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03-18-2011, 05:05 AM | #3 |
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03-18-2011, 05:30 AM | #4 |
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Any X pipe you get without secondary cats and resonators will be the loudest.
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03-18-2011, 07:05 AM | #5 |
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I have catless with twin resonators and with the stock muffler it sounds amazing....
With eisenmann race...it will destroy your lovely quiet sound inside...and outside.
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03-18-2011, 10:32 AM | #8 |
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+1 Brosef's car is loud, but sounds amazing. The Challenge street would be a nice solution if you're looking for some middle ground. The street maintains the factory cats, but does require trimming the OEM section x-pipe.
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03-18-2011, 10:50 AM | #9 |
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On a side note, do I need to have Eisenmann connecting pipes to attach my exhaust or will any brand work?
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03-18-2011, 10:54 AM | #10 |
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I literally just started getting complaints about my Eisenmann Race...complaints that it sounds awesome but is way too loud, I don't know if you're going to want to make it any louder
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03-18-2011, 11:36 AM | #11 |
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03-19-2011, 06:20 AM | #12 | |
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Quote:
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03-19-2011, 06:23 AM | #13 |
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Challenge Engineering - E9X M3 X-pipe - Race - Catless is loudest of three challenge products? do you have a video? Thanks man
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03-19-2011, 06:25 AM | #14 |
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03-19-2011, 06:26 AM | #15 |
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Thanks man, custom?
Last edited by aimar0112; 03-19-2011 at 07:17 AM.. |
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03-19-2011, 06:28 AM | #17 |
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03-19-2011, 09:23 AM | #18 |
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I'd stick with Challenge - their quality is superb. I have the sport, which replaces the primary cats with HFC. The race eliminates the primary cats but doesn't have HFC's, so it's the loudest. The street doesn't eliminate the primary cats, so it will be the most civil and will not throw a check engine light. The downside of the street is that the gains won't be as big as the other two since the primary cats (the most restrictive part of the stock exhaust) won't be eliminated.
In order of quietest to most aggressive (and also in order of increasing power gains): Street Sport Race |
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03-19-2011, 09:48 AM | #19 | |
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Last edited by aimar0112; 03-20-2011 at 01:36 AM.. |
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03-19-2011, 11:11 AM | #20 |
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If you're looking for an x-pipe that deletes secondary cats and resonators, check out the Sosi X-Pipe below!
http://www.m3post.com/forums/showthread.php?t=495407 |
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