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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - NY / NJ / CT / PA > exhaust help with x-pipe or H-pipe



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      03-12-2008, 11:14 PM   #1
karliejai
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exhaust help with x-pipe or H-pipe

theres only about 3 - 4 threads about midpipes on this forum. and i want some answer quick from some expert

i am hoping that my eisenmann sports exhaust(section 3) will come in tomorrow and i can get it in stall at the shop.

1) coming from the DP for the e90, does the resonator or the 2nd cat comes first?
2) if i want custom mid-pipes, H-pipes is louder and deeper than X-pipes?
3) do people usually cut the 2nd cat out or the resonator out?

i feel SOOO confused on this... i don't even know what kind of questions to ask so i guess i will keep asking as it goes.
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      03-13-2008, 08:45 AM   #2
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1. Cats first
2. H will be louder, X will be deeper...choose wisely
3. usually the cats, but some both


Have an exhaust shop make an X-pipe center for you to go w/ the Eisenman
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      03-13-2008, 11:07 AM   #3
karliejai
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wow thats pretty hard to decide! lol
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      03-13-2008, 11:12 AM   #4
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no secondary cats might sound too raspy. Hit up Mr.5...his sounds really nice. Pretty sure he has high flow catted DPs, 2nd cats in tact and an x pipe where the resonators used to be
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      03-13-2008, 11:15 AM   #5
karliejai
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yeah... a friend told me to keep the 2nd cat and everything. just clamp on the exhaust and do catless DP later on. i just dunno if its gonna be too quiet for me.
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      03-13-2008, 03:21 PM   #6
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my exhaust just got here!!!
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      03-13-2008, 03:27 PM   #7
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that thing is fucking heavy... wtf... i thought aftermarket exhaust is suppose to be lighter
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      03-13-2008, 03:30 PM   #8
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I have an x-pipe but it is not raspy. It is deep, so during low RPMs, I get vibration due to the resonance.
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      03-13-2008, 03:31 PM   #9
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where do you have ur x-pipe?
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      03-13-2008, 03:37 PM   #10
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can someone post up a e90 stock exhaust and point out to be if i want an x-pipe where should i put it, cutting the 2nd cat etc.
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      03-13-2008, 03:45 PM   #11
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Quote:
Originally Posted by karliejai View Post
where do you have ur x-pipe?
Between section 1 (front pipes) and section 3 (exhaust cans)...
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      03-13-2008, 03:49 PM   #12
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so theres the 2nd cat there right? so wheres the resonator located then? i havent look from under my car yet. sorry guys
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      03-13-2008, 05:05 PM   #13
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personaly i like the x-pipe cuz of the deeper tone..its still loud but i think hpipe is more raspy....just my opinion..
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      03-14-2008, 08:25 AM   #14
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Quote:
Originally Posted by karliejai View Post
that thing is fucking heavy... wtf... i thought aftermarket exhaust is suppose to be lighter
wait till u feel the stock one...
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