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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 > Anyone running aftermarket DP w/ Stock exhaust setup on e92?



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      06-13-2011, 11:46 AM   #1
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Anyone running aftermarket DP w/ Stock exhaust setup on e92?

Hi, did some seraching but could not seem to find a video of anyone running after market DP with stock exhaust setup, also im currently in afghanistan and the interent is wicked slow, so this would be a huge time saver, not to be that guy who doesn't use the coveted search function ha ha..im not sure if this setup is ideal but would love your guys' input..thanks!
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      06-13-2011, 11:49 AM   #2
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Lots of people are running it and if you do the secondary cat delete the car (from what I hear) sounds really good.
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      06-13-2011, 11:59 AM   #3
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I has various DPs with stock exhaust for two years on and off the car. It's loud only when you press on the gas. I hate the drone of aftermarket exhaust and it's very loud.
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      06-13-2011, 12:02 PM   #4
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AR dps only and to me it just makes the exhaust sound louder. Its far from too loud, just more noted.
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      06-13-2011, 12:05 PM   #5
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I am running stock exhaust with catless downpipes, and think it sounds perfect for my taste. I have no reason to go to an aftermarket set up, especially considering the other mods that can be bought for the price of an exhaust system. The exhaust sounds great when you get on it, but is mild and tame during the daily drive without any annoying drone.
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      06-13-2011, 05:35 PM   #6
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I have an AA DP with stock exhaust and I absolutely love it. I also did the gold tee mod to add a bit more sound
You can hear the turbos spool now since they can breath better.
It really sounds nice. You will like it a lot.
I could post a vid for you, but with the slow connection not sure you will be able to see it.
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      06-13-2011, 05:39 PM   #7
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Also with catless downpipes and stock exhaust.
Removed secondary cats, sounded like shit. Replaced the cats with resonators. Sounds great
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      06-14-2011, 07:23 AM   #8
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Thanks for everyones input..big help, id love to see a video if anyone has one!
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      06-15-2011, 09:58 AM   #9
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3" Catless downpipes
Vibrant Resonators replacing secondary cats.
Stock mufflers
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      06-15-2011, 10:36 AM   #10
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I've got catless dp and stock exhaust with secondary cats in, along with golf tee mod and it sounds just right.
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      09-09-2011, 08:56 PM   #11
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Quote:
Originally Posted by Rotorocious View Post
Also with catless downpipes and stock exhaust.
Removed secondary cats, sounded like shit. Replaced the cats with resonators. Sounds great
I wish I had read that before! I had ar catless downpipes before and decided to remove the secondary cats too. It really sounds like shit now! I guess I'll have some resonators welded in.
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      09-09-2011, 09:02 PM   #12
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Not an E92, but here you go.
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      09-09-2011, 09:05 PM   #13
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Do it. Don't delete the secondary cats though unless you like the "catless fume smell" and rasp at high RPMs.
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      09-10-2011, 12:27 AM   #14
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The intro sound clip is a cold start with CANflap on (golf tee mod).

I love the exhaust note and really don't need a catback. The added grunt from the catless downpipes is good enough for a daily driver.

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      09-10-2011, 02:02 AM   #15
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Quote:
Originally Posted by ctu11y View Post
Hi, did some seraching but could not seem to find a video of anyone running after market DP with stock exhaust setup, also im currently in afghanistan and the interent is wicked slow, so this would be a huge time saver, not to be that guy who doesn't use the coveted search function ha ha..im not sure if this setup is ideal but would love your guys' input..thanks!
Not trying to , but Im in Afghanistan also and the internet really does suck. Anywho, I'm wondering are there anyone out there that's running catted dp w/ AE or HKS exhaust and could post a video? I'd rather delete the secondary cats and would like some input (not flame) as well. Thanks in advance!
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      09-10-2011, 02:56 AM   #16
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Anyone who yells at u for not searching, F-them!!

Thanks for your service!!!!!
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      09-10-2011, 03:01 AM   #17
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Also, I have catless AA DP's...u want a video or what?!

I am not ex military but will get u the vids u deserve (no donkeys though)

THANK YOU SO MUCH, STAY SAFE, REMBER WHAT YOUR FIGHTING FOR 9/11/2001.

If u need anything, books, papers, car piks let me know, I will organize it and get it out to you. I suspect if any others respect their freedom they will do the same!!!!!
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      09-11-2011, 03:45 AM   #18
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Quote:
Originally Posted by 335i101 View Post
Also, I have catless AA DP's...u want a video or what?!

I am not ex military but will get u the vids u deserve (no donkeys though)

THANK YOU SO MUCH, STAY SAFE, REMBER WHAT YOUR FIGHTING FOR 9/11/2001.

If u need anything, books, papers, car piks let me know, I will organize it and get it out to you. I suspect if any others respect their freedom they will do the same!!!!!
Thanks for your support! Please, post your video. AA produce quality products.
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      09-11-2011, 06:49 AM   #19
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Quote:
Originally Posted by jdbretz View Post
I am running stock exhaust with catless downpipes, and think it sounds perfect for my taste. I have no reason to go to an aftermarket set up, especially considering the other mods that can be bought for the price of an exhaust system. The exhaust sounds great when you get on it, but is mild and tame during the daily drive without any annoying drone.
Me too, and can report exactly the same as jdbretz. I'll add that I have no smell that I notice - UNLESS you go to the rear of the car on cold start. Other than that, I don't notice any smell with the removing the 2 cats in the DPs and leaving the 2 cats in the stock exhaust.

The sound on cold start is louder for sure, then it warms up and is a smidge louder than stock.

On WOT, the sound is louder than stock, but it sounds like POWER and it has much more power. The turbos spool faster too, and you can hear the turbos whine more. (I have a DCI too, so that could be it too).

On highway, 6th gear - a slight increase in sound, but no drone.

I love it, and I think you will too.
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