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Technical Topics B48 4-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications M performance exhaust with downpipe sound 330i

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      11-06-2021, 09:04 AM   #1
j6roby
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M performance exhaust with downpipe sound 330i

Anyoane here with m performance exhaust with downpipe on their g20's 330i? Sound video?
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      11-07-2021, 07:34 AM   #2
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Would like to know too!
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      11-07-2021, 09:04 AM   #3
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Sub's for a sound clip
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      11-14-2021, 01:10 PM   #4
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I've done downpipe and centre res delete with bm3
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      11-22-2021, 05:03 PM   #5
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Quote:
Originally Posted by XX10PES View Post
I've done downpipe and centre res delete with bm3
Video sound?
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      11-24-2021, 01:02 PM   #6
XX10PES
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Quote:
Originally Posted by j6roby View Post
Quote:
Originally Posted by XX10PES View Post
I've done downpipe and centre res delete with bm3
Video sound?
Quote:
Originally Posted by j6roby View Post
Quote:
Originally Posted by XX10PES View Post
I've done downpipe and centre res delete with bm3
Video sound?

https://drive.google.com/file/d/1R1c...w?usp=drivesdk

This was before bootmod3 installed successfully so the sound and the pops etc sound a lot different now

I was having a lot of issues at first with bootmod3 installing on my ecu but Protuningfreaks helped resolve this.

I'll try get a newer vid when I can this was a good 6+months old
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      02-12-2022, 07:59 PM   #7
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Slightly old thread but I have this exact setup right now. I’ll upload a clip if anyone still wants it (I’ll run through the drive modes).
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      02-13-2022, 06:18 AM   #8
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Quote:
Originally Posted by bombstar View Post
Slightly old thread but I have this exact setup right now. I’ll upload a clip if anyone still wants it (I’ll run through the drive modes).
Catted or catless downpipe? Either way, myself and others I am sure would appreciate the clip.
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      02-14-2022, 10:42 PM   #9
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Quote:
Originally Posted by njfoses View Post
Catted or catless downpipe? Either way, myself and others I am sure would appreciate the clip.
I started off with a 200 cell and no secondary cat + resonator but it had a massive amount of drone and was weirdly still quite restrictive on the car.

Now I've gone to the VRSF catless downpipe with the stock mid pipe + M performance muffler and the car is much happier, and has a lot less drone than the above setup.

I know the car would been even happier with a straight through but these B46/48 motors get pretty darn loud.

I'll try to record a video for y'all this week!
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      02-23-2022, 02:24 AM   #10
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Quote:
Originally Posted by bombstar View Post
I started off with a 200 cell and no secondary cat + resonator but it had a massive amount of drone and was weirdly still quite restrictive on the car.

Now I've gone to the VRSF catless downpipe with the stock mid pipe + M performance muffler and the car is much happier, and has a lot less drone than the above setup.

I know the car would been even happier with a straight through but these B46/48 motors get pretty darn loud.

I'll try to record a video for y'all this week!

Any chance you were able to do that? I'd love to hear it. I can PM you my cell if its easier to text me a video.
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