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2Addicts | BMW 2-Series forum Technical Topics N55 (M235i) Engine, Transmission, Exhaust, Tuning Quick mpe question

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      07-13-2015, 09:10 AM   #1
jmwilson125
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Quick mpe question

I know the stock exhaust has valves that open and close with the car settings.
Does mpe do this as well? Also does anyone know of a video on here of mpe with a sport cat. I think most of the ones I have seen are stock cat.

Thanks
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      07-13-2015, 10:11 AM   #2
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It has one valve on the left pipe. I have the mpe with sportcat and it sounds awesome.
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      07-13-2015, 10:24 AM   #3
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MPE is a highly rated exhaust, it sounds really nice.
I personally think that for the same price, you can get a better system.
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      07-13-2015, 10:26 AM   #4
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Quote:
Originally Posted by Luminous View Post
It has one valve on the left pipe. I have the mpe with sportcat and it sounds awesome.
Thanks. I was originally looking at armytrix but I was worried about going too loud, even though there is a valve cutoff. I wanted something a little louder than mpe but not obnoxious. I also wanted to do a sport cat. Then it hit me mpe + sport cat = louder mpe haha
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      07-13-2015, 10:28 AM   #5
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Also what does everyone do with their stock exhaust? Keep them? Sell them? Are there people on here looking to buy stock?

Thanks again
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      07-13-2015, 10:49 AM   #6
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Quote:
Originally Posted by jmwilson125 View Post
Thanks. I was originally looking at armytrix but I was worried about going too loud, even though there is a valve cutoff. I wanted something a little louder than mpe but not obnoxious. I also wanted to do a sport cat. Then it hit me mpe + sport cat = louder mpe haha
Obviously whether someone's exhaust is too loud or not is completely subjective, but even myself running a straight through exhaust, it is still surprisingly tame when you want it to be. WOT on the other hand, now that's a different story
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      07-13-2015, 06:12 PM   #7
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Sportcat? What is that? BMW product or who's product?
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      07-13-2015, 06:41 PM   #8
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Quote:
Originally Posted by configt View Post
Sportcat? What is that? BMW product or who's product?
sports cat downpipe...
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      07-13-2015, 07:14 PM   #9
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I was looking at the evolution racewerks one unill the fabspeed one came out. They both seem to be a quality product and the fabspeed promises high numbers without cel. A lot of dough though.
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      07-14-2015, 12:11 AM   #10
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Quote:
Originally Posted by mike@x-ph.com View Post
MPE is a highly rated exhaust, it sounds really nice.
I personally think that for the same price, you can get a better system.
May I ask what other valve controlled exhaust is available in the $800 range? Everything I see starts @ minimum of 1.5 to 2k? That is what is holding me back. I cannot justify spending that much on a muffler/exhaust pipe.
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      07-14-2015, 12:15 AM   #11
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Quote:
Originally Posted by jmwilson125 View Post
I was looking at the evolution racewerks one unill the fabspeed one came out. They both seem to be a quality product and the fabspeed promises high numbers without cel. A lot of dough though.
No one can guarantee No Cell with high flow cats. We offer both and they are of the same quality and finish, you wont regret your decision either way.
They will also both give you the same gains.
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      07-14-2015, 12:18 AM   #12
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Quote:
Originally Posted by RDKing2 View Post
May I ask what other valve controlled exhaust is available in the $800 range? Everything I see starts @ minimum of 1.5 to 2k? That is what is holding me back. I cannot justify spending that much on a muffler/exhaust pipe.
$800 range is without the tips, once you add tips you will be at the same price range as the Remus axle back which in my opinion sounds much better.
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      07-14-2015, 12:25 AM   #13
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Thx. I will check it out.
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      07-14-2015, 08:29 AM   #14
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Quote:
Originally Posted by mike@x-ph.com View Post
No one can guarantee No Cell with high flow cats. We offer both and they are of the same quality and finish, you wont regret your decision either way.
They will also both give you the same gains.
I should have worded what I said differently. Both Fabspeed and ER come off pretty confident that there will not be a cel, even though it is not guaranteed.

Also you think they will produce the same gains? Do you think all sports cats will be in the same ball park, both before and after tune?

From my research ER seems like a quality product and it is significantly cheaper. Fabspeed just posted their dyno numbers right on their site so the proof of performance is right there.
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      07-14-2015, 09:43 AM   #15
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Quote:
Originally Posted by jmwilson125 View Post
I should have worded what I said differently. Both Fabspeed and ER come off pretty confident that there will not be a cel, even though it is not guaranteed.

Also you think they will produce the same gains? Do you think all sports cats will be in the same ball park, both before and after tune?

From my research ER seems like a quality product and it is significantly cheaper. Fabspeed just posted their dyno numbers right on their site so the proof of performance is right there.
Not all sport cats are the same and produce the same gains. ER and Fabspeed gains are very similar.
As i said in my earlier post you won't regret your decision either way.
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