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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > gavin@mmw



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      11-27-2012, 03:29 PM   #23
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Yea man rev that shit up haha, i need to see some drive off videos..
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      11-27-2012, 03:39 PM   #24
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Revs below, wear headphones. Im still walking up and down the highway trying to find my gopro...lol!

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      11-27-2012, 04:22 PM   #25
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Revs below, wear headphones. Im still walking up and down the highway trying to find my gopro...lol!
Replace the muffler let it exhale properly
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      11-27-2012, 04:23 PM   #26
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Revs below, wear headphones. Im still walking up and down the highway trying to find my gopro...lol!

That sounds pretty fucking intense hahahaha, would without a doubt be WAYYYYY to loud with the PE. So im out, and fuck you Johnny my neck hurts now lol
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      11-27-2012, 04:27 PM   #27
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That sounds pretty fucking intense hahahaha, would without a doubt be WAYYYYY to loud with the PE. So im out, and fuck you Johnny my neck hurts now lol
Its being processed by youtube lol! Give it 20 min and it wont be like that
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      11-27-2012, 05:11 PM   #28
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Stock exhaust is that loud? lol fffffff
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      11-27-2012, 06:29 PM   #29
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Yeah that sounds nice. Mine is loud as fuck and sounds like a race car coming down the road. If you like it quiet don't change anything, leave it with the stock muffler.

Happy to see you finally got it down and are happy with the headers. Need to do some drive buys when you get a camera or find the gopro. Congrats.
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      11-27-2012, 09:38 PM   #30
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That sounds really good. I wouldn't change anything if it was me. Your dyno won't truly reflect the gains if you deleted secondaries at the same time. Do you have a dyno with second cats gone only?
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      11-27-2012, 09:43 PM   #31
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That sounds really good. I wouldn't change anything if it was me. Your dyno won't truly reflect the gains if you deleted secondaries at the same time. Do you have a dyno with second cats gone only?
This is a temp setup. I have clamps where the secondaries go. That way when I dyno, I can put them back on and then remove them. After that I'll be headed to the exhaust shop to do the custom set up I've been wanting.
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      11-27-2012, 09:47 PM   #32
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Revs below, wear headphones. Im still walking up and down the highway trying to find my gopro...lol!

loving it, man. Definitely going to be my next mod. How much of a difference are you feeling?
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      11-27-2012, 09:49 PM   #33
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I'll be pairing my MMW Headers up with a Vanguard Exhaust system for the 335i. It's going to be sweet!! I love the sound that LTMW had on their 328i with the regular cats. It was perfect. Now I just can't imagine that sound with the catless headers. I really hope that it sounds like it does on those high powered 335i's, although I know it won't be exactly the same sound.
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      11-27-2012, 09:55 PM   #34
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loving it, man. Definitely going to be my next mod. How much of a difference are you feeling?
Same low end as before. Picks up at 3k rpm and feels great all the way to redline. If you are doing 60 and drop to 3rd it will throw you back in your seat. There is for sure a gain, but my butt dyno is never accurate.
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      11-27-2012, 09:57 PM   #35
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Originally Posted by Johnny D View Post
Same low end as before. Picks up at 3k rpm and feels great all the way to redline. If you are doing 60 and drop to 3rd it will throw you back in your seat. There is for sure a gain, but my butt dyno is never accurate.
Do you have the link to the video? My server won't display videos on threads.
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      11-27-2012, 09:58 PM   #36
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Do you have the link to the video? My server won't display videos on threads.
"http://www.youtube.com/watch?v=Hjzpv3bGG9Y"

Youll have to remove the commas. It embeds the video when you paste a link.
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      11-27-2012, 09:59 PM   #37
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With a PE and headers the car would have more rasp than a lifelong marb menthol smoker!
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      11-27-2012, 10:00 PM   #38
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The supercharger should be done in January or so I think he said. He just updated his Facebook with a lot of info about it.
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      11-27-2012, 10:02 PM   #39
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Same low end as before. Picks up at 3k rpm and feels great all the way to redline. If you are doing 60 and drop to 3rd it will throw you back in your seat. There is for sure a gain, but my butt dyno is never accurate.
Sounds good enough to me, wish there were more options for us lol headers + tune is the biggest gains we can get for our n52's sadly.
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      11-27-2012, 10:02 PM   #40
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More Videos Of These Headers Please!
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      11-27-2012, 10:03 PM   #41
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Quote:
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lol! I was thinking the same thing, but the local guys started to compare it to some of the 335i cars they have worked on.



Nah, even at redline its a perfect blend of sound/rasp. It doesnt attract attention. The headers and PE however would be loud as shit even with secondary cats. I like a quieter exhast, and I'd have to add a resonator to the PE with headers.



Uploaded a short vid with my cell phone. Not the best, and I only rev to around 3700rpm since my neighbors are home. Video is editing on youtube to rotate it back normal. May take a few.

holy shit, this sounds perfect!

How much was install on the headers?

Fully catless but stock everything else? How are you going about the service engine soon light?
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      11-27-2012, 10:08 PM   #42
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Quote:
Originally Posted by Johnny D View Post
"http://www.youtube.com/watch?v=Hjzpv3bGG9Y"

Youll have to remove the commas. It embeds the video when you paste a link.
Thanks man!!


If I recall, the E90 N52 Stock muffler was VERY restrictive when I pulled it off. It had the shittiest looking piping I've ever seen on an exhaust. Take that shit off and get a magnaflow!
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      11-27-2012, 10:09 PM   #43
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Fully catless but stock everything else? How are you going about the service engine soon light?
He shouldn't have one with the AA stage II off-road tune.
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      11-27-2012, 10:36 PM   #44
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holy shit, this sounds perfect!

How much was install on the headers?

Fully catless but stock everything else? How are you going about the service engine soon light?
Install cost me 6 beers. 3 for me and 3 for my bud. 4 hours of work. Exhaust work cost me $60.

Quote:
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Thanks man!!


If I recall, the E90 N52 Stock muffler was VERY restrictive when I pulled it off. It had the shittiest looking piping I've ever seen on an exhaust. Take that shit off and get a magnaflow!
Patience my friend. Its coming in 2-3 weeks.

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He shouldn't have one with the AA stage II off-road tune.
I do have one, but I had it before the install (bad o2 sensor). I need to get the code cleared and see if it returns.
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