[Ripoly]

It's means you have to reinstall obd2 software, am I right?

[R44 Performance]

Originally Posted by AhsanU

I actually emailed them and am looking forward to learning more about this. Living in NY means that the catless dp's will be a problem in about 3 years when OBDII inspections are required.. and this is assuming I can clear the CEL.

Could you direct me to where you found examples of the R44 dp's that don't throw a CEL? I'd greatly appreciate it.

I can confirm that our system doesn't through any CEL. When manufacturing the down pipe this was one of our main priorities! Happy to answer anymore questions if you have any.

[DriveWithDray]

sounds awesome!!

[sjalili1]

Sounds amazing

[GR8WHITE_RS]

love it music to my ears

[brad65ford]

Originally Posted by Paletero

You can get Active Autowerke DP with GESI Cat. It says you will not get a CEL with this DP.

Saw this post and had to add some information. Attempted these two brands today. The AA Dp's piping is a little larger (2.75") at the ends where they meet. Issue is the Valvetronic mid piping is smaller (2.65") where the pipes meet and go inside where the gasket goes around. One way around this is to cut off the pipe end to make shorter so the gasket is the only thing sticking out not the pipe which interferes. Anyway, just sharing.

[M Division]

Originally Posted by brad65ford

Saw this post and had to add some information. Attempted these two brands today. The AA Dp's piping is a little larger (2.75") at the ends where they meet. Issue is the Valvetronic mid piping is smaller (2.65") where the pipes meet and go inside where the gasket goes around. One way around this is to cut off the pipe end to make shorter so the gasket is the only thing sticking out not the pipe which interferes. Anyway, just sharing.

Thsi sounds troublesome!

We're the stock downpipes 2.65" then and the AAs are slightly larger?

[M Division]

Originally Posted by G80_Soom

Hey Bimmerpost fam! Here's the long awaited video demonstration of my downpipe + Valvetronic equal length single mid-pipe setup on the G80. Special thanks to Austin and Phil from Valvetronic Designs for creating this video. It was awesome hearing my car from the outside for once!

Quick review - I absolutely love this setup. It works with the factory valve control so it's quiet or loud when you want it. In efficient mode, it's quiet and just slightly louder than stock. I commute in this car daily in that mode. It's full race car loud in Sport+ when you're joyriding and just the right balance between the two in Sport. I was concerned about rasp after the downpipe but the single midpipe keeps the deep aggressive tone that the duals don't have. I highly recommend this setup!

They are getting more in stock of the mid-pipe very soon and if interested, use my referral link: https://valvetronic.com/?ref=ZVvd_wADgy1qNQ for a discount! Feel free to ask me any questions and comment below what you think!

I'd really appreciate a like and subscribe. More mods and content coming soon! Hint: Whoosh noises

Follow @G80_Soom @Phillybimmerclub @Valvetronic on IG!


https://youtu.be/HAgG3jfKrmc

Sounds great!! Are you running carless downpipes on this monster??