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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > N54 Performance Exhaust Installed - Not so loud?



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      11-25-2013, 12:37 PM   #1
NocturnalEVO
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N54 Performance Exhaust Installed - Not so loud?

Hey all,

So over the weekend I had an PE installed on my 09 E92 335i. Everything else is stock, minus Cobb Accessport.

I'll be honest, I haven't heard one in person prior, just through youtube video's online. From all the video's I had seen, it sounded like it was really loud.

Now that I have it installed, its actually VERY quiet (compared to what I was expecting). It does sound great, but was just hoping it would be a little louder.

I was thinking of taking out the secondary cats in the "catback" portion of the exhaust piping. Will that help make the exhaust louder?

*EDIT* -- also want to add that I do NOT want to do downpipes. I don't want to go through the hassle of downpipes.

Let me know what you guys think, thanks!


***********

UPDATE:

Okay so I got the secondary cats removed and installed new exhaust tips
The sound is much louder now, although may be a bit louder than I'd like now lol
Thinking of going back to the secondary cats possibly

Here's a vid I made:

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Last edited by NocturnalEVO; 12-12-2013 at 11:30 PM.
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      11-25-2013, 12:54 PM   #2
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Hi Najeeb

DPs would definitely help! It'll also free up some power.
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      11-25-2013, 12:57 PM   #3
NocturnalEVO
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thanks for the response!

however, i should have mentioned above that I'm not wanting to do downpipes. Car is plenty fast for me for the time being, and budget is limited, just want a LITTLE more loudness. More concerned if removing the secondary cats will help or not.
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      11-25-2013, 01:43 PM   #4
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From what I've heard, you have to let it break-in for a few hundred miles and it should get better (louder)
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      11-25-2013, 01:45 PM   #5
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Quote:
Originally Posted by klepikovp View Post
From what I've heard, you have to let it break-in for a few hundred miles and it should get better (louder)
That is true, if you just installed it. Give it a couple of days and should get slightly louder.
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      11-25-2013, 01:52 PM   #6
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mine was bought used with about 7k miles on it lol
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      11-25-2013, 01:58 PM   #7
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Quote:
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mine was bought used with about 7k miles on it lol
give it a day or two and let me know
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      11-25-2013, 02:19 PM   #8
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Most video online was recorded outside the car, so it's louder compared to where the driver is.
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      12-09-2013, 10:17 PM   #9
yslee
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It's louder from the outside than where the driver sits. Mine sounds very loud when the top is down.
Go under an over pass or a tunnel, drop it into 2nd or 3rd, and rev it. You will smile!
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      12-09-2013, 10:24 PM   #10
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The PE still has that vacuum line correct? Golf Tee Mod maybe?
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      12-10-2013, 09:50 AM   #11
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Quote:
Originally Posted by NocturnalEVO View Post

*EDIT* -- also want to add that I do NOT want to do downpipes. I don't want to go through the hassle of downpipes.

Let me know what you guys think, thanks!
You should get downpipes
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      12-10-2013, 10:35 AM   #12
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Installing a dci and IC changed the note of my exhaust a bit, maybe this would help?
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      12-10-2013, 11:27 AM   #13
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Quote:
Originally Posted by Simple3 View Post
The PE still has that vacuum line correct? Golf Tee Mod maybe?
No vacuum line, no internal flap
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      12-10-2013, 12:21 PM   #14
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Okay so I got the secondary cats removed and installed new exhaust tips
The sound is much louder now, although may be a bit louder than I'd like now lol
Thinking of going back to the secondary cats possibly

Here's a vid I made:

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      12-10-2013, 01:49 PM   #15
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Keep secondary and go catless dps
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      12-10-2013, 03:29 PM   #16
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Thumbs up

Quote:
Originally Posted by enrita View Post
Keep secondary and go catless dps
I removed all CC's and my AFE MACH XP Exhast gurgules on low revs and screams like a crack whore when the pedal is touched!

Carefull- where I'm based they don't check....just an FYI

Enjoy

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      12-10-2013, 03:31 PM   #17
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Quote:
Originally Posted by NocturnalEVO View Post
Okay so I got the secondary cats removed and installed new exhaust tips
The sound is much louder now, although may be a bit louder than I'd like now lol
Thinking of going back to the secondary cats possibly

Here's a vid I made:

Sounds great btw!
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      12-10-2013, 06:48 PM   #18
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What tips do you change to, and what were they previously?

Quote:
Originally Posted by NocturnalEVO View Post
Okay so I got the secondary cats removed and installed new exhaust tips
The sound is much louder now, although may be a bit louder than I'd like now lol
Thinking of going back to the secondary cats possibly

Here's a vid I made:

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      12-10-2013, 07:12 PM   #19
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sounds good
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      12-10-2013, 10:40 PM   #20
NocturnalEVO
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Quote:
Originally Posted by apjr09 View Post
What tips do you change to, and what were they previously?

Went from stock PE tips to 4" Dimisa tips
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      12-10-2013, 11:00 PM   #21
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Sounds amazing to me.
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      12-10-2013, 11:30 PM   #22
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I think it sounds daaaamn good.
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