SLK55 (R171) 2004 - 2010: SLK200K, SLK280, SLK350, SLK55, SLK55 Black Series

X Pipe or Strait s/s ?

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Old 01-02-2007, 03:29 AM
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slk55, 530i, z4
X Pipe or Straight s/s ?

hi. happy new year.

Im gonna delete resonator but I wanna ask you guys. After removing resonator should I put straight s/s or x-pipe?

which one is good for my 2006 slk55 ? Im really confusing right now cause some people said straight is better and other people said x-pipe is better.

I am considering not only sound but also little performance too. Even putting x-pipe or straight s/s instead of resonator does not change any big performances. I want to increase sound but don't want loose any power.

please somebody explain this~~~

Last edited by fourAAAA; 01-02-2007 at 10:46 AM.
Old 01-02-2007, 09:59 AM
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Lamborghini Gallardo, Turbo, SLK 55, E350 4Matic, Xterra
from all that i have read. straight pipe is the way to go
Old 01-02-2007, 10:41 AM
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'06 slk55
Who has an X pipe? I haven't seen or heard of it yet on the SLK55.
Old 01-02-2007, 10:47 AM
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if you search, you can see some e55 owners did.

Last edited by fourAAAA; 01-02-2007 at 11:22 AM.
Old 01-02-2007, 01:14 PM
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I can't speak specifically to the SLK55, but for previous V8 cars I've owned and modified (Mustang, F-body) an X-pipe (or H-pipe) was preferred to just straight pipes for a couple reasons:

1. Improved exhaust scavanging slightly with both pipes being connected at the "X" (or "H").

2. Improved sound quality by reducing raspiness somewhat.

Supersprint is supposedly making an X-pipe for the '55, but I haven't seen any posts about anyone actually having it yet on any of the MB boards.
Old 01-02-2007, 02:34 PM
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Oh! sorry guys. It was on benzworld.org

http://www.benzworld.org/forums/w210...ghlight=x+pipe

The guy looks like he strongly recomend x pipe their e55.

e55 has a supercharged engine but our slk55 is n/a engine. I dont have any knowledge about that which is good for our n/a slk55.

I looked inside slk55's resonator. It was straight pipe.
Old 01-02-2007, 02:41 PM
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Just run straights. It's debateable about power increases on x/h/straights.

Enjoy the raspiness!
Old 01-02-2007, 03:06 PM
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Originally Posted by vraa
Enjoy the raspiness!
I hate raspiness, prefer deep and mellow with a nice burble on over-run!
Old 01-02-2007, 03:08 PM
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Originally Posted by FishtailnZ
I hate raspiness, prefer deep and mellow!
Ah but there is something nice when you let off the throttle and you hear a slight gurggle and bubble!
Old 01-02-2007, 03:09 PM
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I just corrected my post to include that burble
Old 01-03-2007, 09:13 AM
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From some rumors I hear, the X pipes should increase power a little, whilst straights might drop it... but we all know the SLK's headers and exhaust system is quite restrictive (changing them to Kleemann's or similar frees up anywhere from 30-50hp depending on if you go supercharged or not).

But what I wanna know, is if it's an X pipe inside the resonator itself? Anyone know?

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