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M2 Technical Topics > N55 Engine / Drivetrain / Exhaust / Bolt-ons / Tuning > M235i VRSF Downpipe fits on M2 - plus turbo internal pics

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      04-26-2016, 11:46 PM   #1
paradoxical3
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M235i VRSF Downpipe fits on M2 - plus turbo internal pics

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Enjoy, perfect fitment. So much for M-tax on this car! V-band clamps on both sides, easy install even though it was my first time doing it.

VRSF Downpipes (catless) build quality kind of sucks and came a bit bent around the edges, but no leaks.




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Last edited by paradoxical3; 04-27-2016 at 01:05 AM..
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      04-27-2016, 12:12 AM   #2
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Nice!

Where is the sound clip?!
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      04-27-2016, 01:06 AM   #3
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Quote:
Originally Posted by kovsky View Post
Nice!

Where is the sound clip?!
Added to first post! It changes everything, this is with stock exhaust - not M performance. It's one of the best sounding BMWs I have ever heard, including the S65 V8.
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      04-27-2016, 02:13 AM   #4
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So awesome, can't wait to hear that with a pure stage 2!
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      04-27-2016, 08:14 AM   #5
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Is the exhaust valve open or closed? If possible I would like to hear it the "other" mode. Thx in advance.
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      04-27-2016, 08:59 AM   #6
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Quote:
Originally Posted by paradoxical3 View Post
Added to first post! It changes everything, this is with stock exhaust - not M performance. It's one of the best sounding BMWs I have ever heard, including the S65 V8.
Hells yeah! Your first time? How long did it take? Is this your car?
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      04-27-2016, 10:11 AM   #7
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Quote:
Originally Posted by OrangeCrush View Post
Hells yeah! Your first time? How long did it take? Is this your car?
Yes my car. Friends helped me out (one is a damn good BMW tech) and used their lift so it wasn't bad. Took a couple hours but that is with us taking beer breaks, joking around, etc. I have installed an intercooler on my old car alone and on ramps and this was definitely easier.
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      04-27-2016, 12:05 PM   #8
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Sounds awesome mate! Have you heard the MPE in person? How does this compare?

Increased drone with the DP?
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      04-27-2016, 12:53 PM   #9
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Quote:
Originally Posted by LBBDrew View Post
Sounds awesome mate! Have you heard the MPE in person? How does this compare?

Increased drone with the DP?
I actually have heard the MPE in person. This is louder with more crackles and backfires. It is similar in character.

There is slightly increased drone in sport and sport+ mode, in comfort mode there is no drone.

I am actually pretty surprised what a difference this made, the turbo spool is insane. You can hear the turbo both spool up and spool down from inside the cabin. I had a catless downpipe on my previous N55 car and the M2 sounds completely different and way better.
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      04-27-2016, 12:53 PM   #10
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Quote:
Originally Posted by paradoxical3
Quote:
Originally Posted by OrangeCrush View Post
Hells yeah! Your first time? How long did it take? Is this your car?
Yes my car. Friends helped me out (one is a damn good BMW tech) and used their lift so it wasn't bad. Took a couple hours but that is with us taking beer breaks, joking around, etc. I have installed an intercooler on my old car alone and on ramps and this was definitely easier.
So the bracket isn't needed? I wonder why the stock DP has a hard mount.
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      04-27-2016, 12:55 PM   #11
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Quote:
Originally Posted by ashburyn54 View Post
So the bracket isn't needed? I wonder why the stock DP has a hard mount.
Bracket is not necessary. The VRSF downpipe for N55 doesn't even have a spot for the bracket to attach on it and the N54 guys never used a bracket either. The stock downpipe is much thicker in diameter due to the cat and has VERY narrow clearance between the transmission and the catalyst, about .5 inch. The bracket prevents movement and the downpipe from contacting the transmission. The VRSF downpipe has multiple inch clearance and it is not necessary to use it.
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      04-27-2016, 01:04 PM   #12
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Quote:
Originally Posted by paradoxical3
Quote:
Originally Posted by ashburyn54 View Post
So the bracket isn't needed? I wonder why the stock DP has a hard mount.
Bracket is not necessary. The VRSF downpipe for N55 doesn't even have a spot for the bracket to attach on it and the N54 guys never used a bracket either. The stock downpipe is much thicker in diameter due to the cat and has VERY narrow clearance between the transmission and the catalyst, about .5 inch. The bracket prevents movement and the downpipe from contacting the transmission. The VRSF downpipe has multiple inch clearance and it is not necessary to use it.
Ahhhh that makes sense. I guess I should have known. This looks like cake compared to the n54. Sounds great!
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      04-27-2016, 03:59 PM   #13
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Any particular reason u went with the VRSF? Could you feel the difference on the butt dyno?
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      04-27-2016, 04:08 PM   #14
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Quote:
Originally Posted by LBBDrew View Post
Any particular reason u went with the VRSF? Could you feel the difference on the butt dyno?
It was the cheapest and did not have the mounting tab locations, which I was not sure if they would interfere since the transmission is different.
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      04-27-2016, 04:55 PM   #15
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      04-27-2016, 05:25 PM   #16
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paradoxical3 Good job it sounds great. Now you want to know something weird we got the same down pipe and had to put a decent dent on it among other things for it to fit.
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      04-27-2016, 06:09 PM   #17
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Quote:
Originally Posted by paradoxical3 View Post
It was the cheapest and did not have the mounting tab locations, which I was not sure if they would interfere since the transmission is different.
Are you running it on stock car or jb4 or some type of tune? And cel no I'm about to order one based on your Vids
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      04-27-2016, 06:27 PM   #18
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Waiting for someone to install downpipe with the MPE exhaust. Should be brutal.
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      04-27-2016, 09:26 PM   #19
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Quote:
Originally Posted by TTFS View Post
paradoxical3 Good job it sounds great. Now you want to know something weird we got the same down pipe and had to put a decent dent on it among other things for it to fit.
You had to put a dent in it? Very strange, there is tons of clearance. Do you have DCT or 6MT?

As mentioned in my first post, the VRSF build quality was not the greatest. One of the welds almost had a hole in it, and the lip around the lower flange was not truly circular. It almost caused a leak, but we were able to seal it up with excess tightness on the v-band clamp. I would not be surprised if you got a defective one as well that just was poor fitment in general.
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      04-27-2016, 09:45 PM   #20
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      04-27-2016, 09:46 PM   #21
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Quote:
Originally Posted by Twix View Post
Are you running with your CEL on or did you get a emulator for it?
It took like 150 miles for it to show up, but it is there now. It's actually far less annoying in the M2 than it was in my X1. I have ordered an intercooler and JB4 so that will take care of it, but honestly I don't even notice it right now.
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      04-27-2016, 10:43 PM   #22
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So how come we can just throw a DP on these cars without a tune and no issues other than CEL? With subies you better tune that DP or BANG.

Sounds great by the way.
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