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      06-17-2021, 05:22 PM   #2377
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Quote:
Originally Posted by RugbyBro View Post
Quote:
Originally Posted by mikey914 View Post



AWE Switchpath paired with AA equal length custom resonated midpipe and SSR catless Downpipes. I believe I have one of the best sounding f80s out there
Turn those gunshots off
These burbles paired with the Mexican food comment above made me chuckle.

Definitely would like to hear the exhaust without the burbles though…
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      06-17-2021, 09:42 PM   #2378
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Quote:
Originally Posted by ra2289 View Post
These burbles paired with the Mexican food comment above made me chuckle.

Definitely would like to hear the exhaust without the burbles though…
I made a thread but here

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      06-17-2021, 09:45 PM   #2379
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Quote:
Originally Posted by RugbyBro View Post
Turn those gunshots off
Jesus Christ. I just made a quick video after I installed it. I hate the gunshots and I think it’s Ricey. I made a video with a new thread but here it Is

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      06-17-2021, 09:49 PM   #2380
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Quote:
Originally Posted by mikey914 View Post
Jesus Christ. I just made a quick video after I installed it. I hate the gunshots and I think it’s Ricey. I made a video with a new thread but here it Is

Much better
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      06-18-2021, 12:10 AM   #2381
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I made a thread but here
Sounds good!
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      06-18-2021, 12:11 AM   #2382
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Quote:
Originally Posted by mikey914 View Post
I made a thread but here



You flashed the AK tune back on right after filming that
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      06-18-2021, 03:54 AM   #2383
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Quote:
Originally Posted by RugbyBro View Post
Turn those gunshots off
lmao imagine driving thru the hood with those burbles...ppl would start dodging and hiding behind cars
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      06-18-2021, 04:35 AM   #2384
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Originally Posted by Kilabyte View Post


You flashed the AK tune back on right after filming that
Def not bro lol. I live in NYC. I literally hate that crap. If it was like one pop sure but not gunshots lmao
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      06-18-2021, 09:06 AM   #2385
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I have burble turned completely off and I still get one or two pops like you hear in his video.
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      06-18-2021, 03:48 PM   #2386
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Originally Posted by 1000hp View Post
I have burble turned completely off and I still get one or two pops like you hear in his video.
You turn off fake burbles.

Anything left is real burbles...
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      06-18-2021, 08:08 PM   #2387
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Had mine installed a few months ago, had to get the midpipe welded as AA forgot to finish the weld right at the x section.

Currently running stock dp's and Dinan muffler with the non resonated mid. Thinking about changing over to ARM resonated dp's with non resonated mid, any input or experiences with that setup?
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      06-18-2021, 10:10 PM   #2388
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Quote:
Originally Posted by mikey914 View Post



AWE Switchpath paired with AA equal length custom resonated midpipe and SSR catless Downpipes.




Here is updated clip with no burbles
Perfect sound, what tune if any?
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      06-19-2021, 01:43 AM   #2389
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Quote:
Originally Posted by doughboy View Post
You turn off fake burbles.

Anything left is real burbles...
I don’t have any burbles or crackles right now. Thanks
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      06-19-2021, 01:44 AM   #2390
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Quote:
Originally Posted by tomci08 View Post
Had mine installed a few months ago, had to get the midpipe welded as AA forgot to finish the weld right at the x section.

Currently running stock dp's and Dinan muffler with the non resonated mid. Thinking about changing over to ARM resonated dp's with non resonated mid, any input or experiences with that setup?
Yeah I had arm resonated with aa non resonated midpipe and it was too raspy. I had to install 2 tiny vibrant bottle style resonators and it fixed the issue completely. Search my name. I made a post
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      06-19-2021, 01:45 AM   #2391
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Quote:
Originally Posted by Beach3um View Post
Perfect sound, what tune if any?
Bm3 stage 2.

Thanks!
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      06-19-2021, 07:39 AM   #2392
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Quote:
Originally Posted by mikey914 View Post
I don’t have any burbles or crackles right now. Thanks
That's what I was saying. I have no extra burble and I get some of those crackles and pops, too. Seems like natural burble to me.

edit: never mind. definitely not stock burble at the end.
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      06-19-2021, 08:20 AM   #2393
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Quote:
Originally Posted by tomci08 View Post
Had mine installed a few months ago, had to get the midpipe welded as AA forgot to finish the weld right at the x section.

Currently running stock dp's and Dinan muffler with the non resonated mid. Thinking about changing over to ARM resonated dp's with non resonated mid, any input or experiences with that setup?
I personally think that’s the ideal setup. I’d run the same if I didn’t live in CT. I don’t wanna change the DPs every time I had to head to emissions
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      06-19-2021, 02:26 PM   #2394
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Here's a new clip of my setup:

https://www.instagram.com/reel/CQT8S...dium=copy_link

And a tunnel video:

https://www.instagram.com/reel/CQUZp...dium=copy_link
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      06-20-2021, 10:14 AM   #2395
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New video. I think this is one of the best sounding equal length setups.

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      06-20-2021, 02:20 PM   #2396
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Quote:
Originally Posted by mikey914 View Post
New video. I think this is one of the best sounding equal length setups.

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      06-23-2021, 07:26 AM   #2397
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DIY BMW M2 CS S55 Equal Length mid-pipes

Goals for improving the volume and the sound quality of the M2CS OEM exhaust are as follows: increase the volume, no rasps, no drone, maintain the OEM sound quality and some horsepower gains.

Downpipes: Ultimate Racing's M2 C Dps with EPA 49-State Legal Catalytic Converters improved the throttle response, about a 10% increase in volume and some horsepower gains. NO CEL.

https://www.ultimate-racing.com/coll...tion-downpipes

DIY EL: From reading the M4 forum, the passenger side's exhaust pipe should be extended 12 to 14 inches to equalize the exhaust pulses. However, because I wanted to keep the OEM resonator to reduce the drone and rasps (it has a built-in cross pipe and free flow), I've decided to equalize the exhaust volume by increasing the girth on the passenger side of the exhaust pipe. This also meant both secondary cats were removed to free up space and some hp. On the driver's side, the 2nd cat was replaced with a straight pipe. For the passenger side, initially, I planned to weld 2X 2.5 to 3.5 inches (5 inches in total) transition pipes with about an~8 inches 3.5-inch pipe in between. However, it was later found out there was only enough space for a 4 inch 3.5 pipe, and the total volume would not be enough. The OEM secondary cat is about 6 inches in diameter and ~7 inches in length, so the volume is closer to what I wanted to achieve. As a result, the core was punched out and welded back.

So far, I am pretty happy with the result. It does, however, make some rattling sound during cold starts, and I think the volume can be a bit higher.

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      06-23-2021, 08:28 AM   #2398
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Quote:
Originally Posted by Kuky View Post
DIY EL: From reading the M4 forum, the passenger side's exhaust pipe should be extended 12 to 14 inches to equalize the exhaust pulses.
I keep forgetting to measure mine, but I believe the AA equal length pipe actually makes the bank-2 pipe longer than bank-1.
It crosses bank-2 over to the driver's side, which has the longer pipe at the rear to clear the diff, AND it adds a bunch of bends to increase length along the way.

I will try to remember to measure, but by eyeball I would guess it adds quite a bit more than 12-14 inches. Adding the bend around the diff alone probably increases it by that much.
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