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BMW 3-Series and 4-Series Forum (F30 / F32) | F30POST > Technical Forums > N20, N26, B46, B48 Turbo Engine / Drivetrain / Exhaust Modifications > How to mod your exhaust, add sound at little cost
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      05-16-2019, 04:39 PM   #1
brianpalvarez
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Exclamation How to mod your exhaust, add sound at little cost

I modified my stock OEM exhaust to give it a closer, authentic BMW engine sound without breaking any regulations with the state. I did this with minimal cost and time.

All I did was cut-out the muffler (suitcase) and kept the CAT's and resonator. I lost 20-30lbs and added more sound.

Here is the video for reference, let me know your thoughts!

Best to enjoy this with headphones.

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Last edited by brianpalvarez; 05-16-2019 at 05:08 PM.. Reason: Bad link
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      05-16-2019, 05:02 PM   #2
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I dont like how the link is to subscribe to your channel, lol
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      05-16-2019, 05:03 PM   #3
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This is just a standard muffler delete. Also seconded that I don't like that your link is set to sub to you channel.
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      05-16-2019, 05:08 PM   #4
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Quote:
Originally Posted by MONSTAR View Post
I dont like how the link is to subscribe to your channel, lol
Sorry for that, I did that for my Instagram lol
I edited the link.
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      05-16-2019, 05:09 PM   #5
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Quote:
Originally Posted by andino View Post
This is just a standard muffler delete. Also seconded that I don't like that your link is set to sub to you channel.
Well, not really, most threads are for straight pipe, I still kept my CATS and Resonator. I just took out the box and it sounds amazing. Sorry for the link, I edited it.
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      05-16-2019, 05:24 PM   #6
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Yeeeeeah this is just a muffler delete. Always good to have sound clip vids though
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      05-16-2019, 06:48 PM   #7
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Quote:
Originally Posted by brianpalvarez View Post
Well, not really, most threads are for straight pipe, I still kept my CATS and Resonator. I just took out the box and it sounds amazing. Sorry for the link, I edited it.
Eh even so, these types of threads are a dime a dozen. Glad you're enjoying your mod though!

Something to note is your regulations bit is misleading because this isn't necessarily still legal. Since you're in CA, it needs to be less than 95dBs at a certain spec according to vehicle code. So while you're still retaining your cars for emissions, you may still get a ticket for not having a muffler.
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      05-18-2019, 06:49 PM   #8
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Here's what I did on my F22. Similar to the OEM mod for the E9x M3 guys.

https://www.bimmerpost.com/forums/sh...php?p=23180702
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      05-20-2019, 08:34 AM   #9
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Sweet muffler delete bro. Hope you get all the likes and follows you were looking for.
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      05-21-2019, 11:39 AM   #10
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Drone is gonna get old in about 2 months imho.

Are there any performance mods done to your car?
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      05-21-2019, 11:47 AM   #11
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Quote:
Originally Posted by floridaorange View Post
Drone is gonna get old in about 2 months imho.

Are there any performance mods done to your car?
too late lol Already annoying, I am installing a performance resonator or a Jpipe soon.
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      05-23-2019, 09:26 AM   #12
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That's hilarious. I'm straight pipe from the turbo back but I had to but a small vibrant muffler in there otherwise the drone gave me a migraine
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      05-23-2019, 10:32 AM   #13
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Quote:
Originally Posted by brianpalvarez View Post
I modified my stock OEM exhaust to give it a closer, authentic BMW engine sound
Cut off muffler on stock authentic bmw sound. Now not authentic bmw sound.

Got it
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      05-23-2019, 01:42 PM   #14
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By J-Pipe I am assuming that you mean a Helmhertz Chamber?
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      05-23-2019, 07:22 PM   #15
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Screw all you haterz. I'm gonna put a kewl exhaust tip on my car, like the one my friend put on his mom's 1997 Honda when she gave it to him.
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      05-23-2019, 07:44 PM   #16
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Quote:
Originally Posted by rlmesq View Post
Screw all you haterz. I'm gonna put a kewl exhaust tip on my car, like the one my friend put on his mom's 1997 Honda when she gave it to him.
6" opening or just go home please
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      06-14-2019, 12:13 AM   #17
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Quote:
Originally Posted by brianpalvarez View Post
Quote:
Originally Posted by floridaorange View Post
Drone is gonna get old in about 2 months imho.

Are there any performance mods done to your car?
too late lol Already annoying, I am installing a performance resonator or a Jpipe soon.
Any updates??
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      06-14-2019, 09:32 PM   #18
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Exhaust dump y pipe?
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      06-15-2019, 09:56 PM   #19
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Quote:
Originally Posted by Ishan99 View Post
Any updates??
Haven't had a chance, hopefully, next week I'll be able to do this
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