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Technical Topics B58 6-Cylinder Turbo Engine / Drivetrain / Exhaust Modifications G20 M340i downpipes

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      11-12-2019, 11:47 AM   #23
Mike@N54Tuning.com
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Quote:
Originally Posted by Tiago@VRSF View Post
We've got a G series B58 downpipe available now. The catted version is still in development but should be available shortly.

https://www.vr-speed.com/vrsf-b58-do...0-g22-g26.html
Great downpipes!!

Mike
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      12-01-2019, 02:01 PM   #24
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Quote:
Originally Posted by raptorapture View Post
Evolution Racewerks just posted theirs on their website as well as posted a video on Instagram of the catless sound (non-cold start)
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      01-24-2020, 01:26 PM   #25
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Quote:
Originally Posted by Tiago@VRSF View Post
We've got a G series B58 downpipe available now. The catted version is still in development but should be available shortly.

https://www.vr-speed.com/vrsf-b58-do...0-g22-g26.html
Interested to see the catted version. I'm looking for a bit of a louder sound and mainly looking for a performance boost, but the catless is way too loud and brings too much attention from the police. It also burbles far too much and too long after the shift. I don't want the surrounding area of the car to smell like a gasoline spill when I idle. I believe it is also easier to pass inspection with the catted. Tell me if I am wrong.
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      01-27-2020, 10:51 AM   #26
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      01-27-2020, 05:02 PM   #27
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The M340i does have a MPE available. I installed one on my car.
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      01-27-2020, 05:24 PM   #28
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I believe it is just the one downpipe that the B58 has. Single turbo, single downpipe.

Grammar police out.
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      01-28-2020, 08:07 PM   #29
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Can anyone with a DP on a stock tune comment on the performance changes (if any at all)?
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      01-30-2020, 11:28 AM   #30
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Quote:
Originally Posted by retart13 View Post
Can anyone with a DP on a stock tune comment on the performance changes (if any at all)?
Here is our supra with our high flow Catted downpipe that is also EPA Approved.

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      02-03-2020, 11:49 AM   #31
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Quote:
Originally Posted by Andrew@ActiveAutowerke View Post
Here is our supra with our high flow Catted downpipe that is also EPA Approved.

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      02-03-2020, 09:58 PM   #32
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If I got MPE, can I still add the catted downpipe.. or is it one or the other?
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      02-03-2020, 10:13 PM   #33
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Quote:
Originally Posted by NoTanks52 View Post
If I got MPE, can I still add the catted downpipe.. or is it one or the other?
you can do anything you wish. They don't do anything to affect either one. Just more noise with both
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      02-04-2020, 11:02 AM   #34
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Quote:
Originally Posted by NoTanks52 View Post
If I got MPE, can I still add the catted downpipe.. or is it one or the other?
you can do both
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      02-28-2020, 09:51 AM   #35
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What's a good price range estimate to get a down pipe installed?
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      05-22-2020, 05:15 PM   #36
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Quote:
Originally Posted by SpiveyCJ View Post
What's a good price range estimate to get a down pipe installed?
bump. I just got a quote for 350. It really doesn't look that hard to do. Im going to attempt myself.
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      05-27-2020, 10:50 PM   #37
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Just tested my DP today
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      05-28-2020, 08:10 AM   #38
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Quote:
Originally Posted by daap1193 View Post
Just tested my DP today
We want to hear it, lose the music and post some outside videos
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      05-29-2020, 02:04 PM   #39
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Quote:
Originally Posted by senderhomes View Post
bump. I just got a quote for 350. It really doesn't look that hard to do. Im going to attempt myself.
took me about an hour and a half the only difficult part for me was fitting the lower portion of the DP onto the exhaust. Others have used a pipe expander to ease the install.
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      09-07-2020, 03:58 PM   #40
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MPE is out for the 40i

gotta order it through BMW parts department
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      10-26-2020, 11:45 AM   #41
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Quote:
Originally Posted by Tiago@VRSF View Post
We've got a G series B58 downpipe available now. The catted version is still in development but should be available shortly.

https://www.vr-speed.com/vrsf-b58-do...0-g22-g26.html
do you recommend a custom tune for your catless b58 downpipes, and or would a GTS Black racechip tune be suitable with the downpipe?
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      02-24-2021, 12:47 PM   #42
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Looking for a down pipe and came across this one.

https://titanmotorsports.com/product...e-for-gr-supra

Anybody know of this fits the M340i?
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      02-24-2021, 02:25 PM   #43
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Quote:
Originally Posted by ~RS. View Post
Looking for a down pipe and came across this one.

https://titanmotorsports.com/product...e-for-gr-supra

Anybody know of this fits the M340i?
it will fit just fine
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