For those without PSE
Racer
Joined: Mar 2024
Posts: 477
Likes: 323
Racer
Joined: Mar 2024
Posts: 477
Likes: 323
I have PSE and the burbles and pops is virtually non-existent even in sport mode. It is super mild and my car is fully broken in with 15K miles AND I have the M Engineering tune that forces exhaust valves to be 100% open in sport mode and it still has super mild, barely noticeable burbles. So I'm just saying you are not missing much with your non-PSE exhaust. In fact, you have gained by saving a few thosand dollars and having the much better looking quad exhaust tips.
Advanced
Joined: May 2024
Posts: 95
Likes: 71
From: CA
I have PSE and the burbles and pops is virtually non-existent even in sport mode. It is super mild and my car is fully broken in with 15K miles AND I have the M Engineering tune that forces exhaust valves to be 100% open in sport mode and it still has super mild, barely noticeable burbles. So I'm just saying you are not missing much with your non-PSE exhaust. In fact, you have gained by saving a few thosand dollars and having the much better looking quad exhaust tips.
Last edited by wujax; Sep 1, 2024 at 12:15 PM.
Rennlist Member
Joined: Jun 2023
Posts: 326
Likes: 335
Bump since I couldn't find an answer,
Anyone tried retrofitting a switch panel with exhaust button (without PSE) and just having dealer activate PSE function? I have a 2020 with no programmable buttons (WET/SPORT/TRACTION/SUSPENSION) wondering if anyone's attempted this.
Anyone tried retrofitting a switch panel with exhaust button (without PSE) and just having dealer activate PSE function? I have a 2020 with no programmable buttons (WET/SPORT/TRACTION/SUSPENSION) wondering if anyone's attempted this.
Pro
Joined: Dec 2022
Posts: 676
Likes: 616
From: CA
Given how your stock panel is configured, does that mean that you don’t have Sport Chrono?
Rennlist Member
Joined: Oct 2012
Posts: 1,695
Likes: 1,916
From: Boston, MA
Ahhh... that's what I figured. I don't have any of the burbles or pops that people seem to have (I have a manual transmission), so I was wondering if my not having the PSE exhaust had something to do with it. I thought the Cargraphic controller would let me hear them, but them not being there isn't an issue. It's a cool party trick on my Acura Integra Type S, but I find myself shutting it off after a little while, 'cause it just sounds so racer boy and attention seeking.
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Pro
Joined: Dec 2022
Posts: 676
Likes: 616
From: CA
Advanced
Joined: May 2024
Posts: 95
Likes: 71
From: CA
To be sure, 'burbles and pops' is actually more a function of the tune than the physical exhaust routing... so 'just adding' PSE won't really get you more noise. You also need to be in sport or sport+ mode, or use the M-engineering tune where you can request however much noise you feel is socially acceptable (during deceleration the tune will dump some amount of unburned fuel in to the exhaust stream which 'pops' when it hits the hot turbos). FWIW on BMW tuning by MHD, you can actually dial in both the duration and aggressiveness of the burbles from the iphone app itself, very cool.