Doddsy Senior member Newcastle upon Tyne Jul 28, 2025 #1 So after trying Stromung and then RPi exhausts on the Coupe does anyone happen to have a set of Powervalve back boxes they would like to sell? Cheers Last edited: Jul 30, 2025
So after trying Stromung and then RPi exhausts on the Coupe does anyone happen to have a set of Powervalve back boxes they would like to sell? Cheers
G getsetbrett Member Jul 29, 2025 #2 Just listed Doddsy. I run these on my Z4M and cannot fault them. What specifically didn't you like about the Stromung & RPi setup? https://z4-forum.com/threads/bcs-powervalve-back-boxes-chrome-exhaust-for-z4m.152768/
Just listed Doddsy. I run these on my Z4M and cannot fault them. What specifically didn't you like about the Stromung & RPi setup? https://z4-forum.com/threads/bcs-powervalve-back-boxes-chrome-exhaust-for-z4m.152768/
Doddsy Senior member Newcastle upon Tyne Jul 29, 2025 #3 getsetbrett said: Just listed Doddsy. I run these on my Z4M and cannot fault them. What specifically didn't you like about the Stromung & RPi setup? https://z4-forum.com/threads/bcs-powervalve-back-boxes-chrome-exhaust-for-z4m.152768/ Click to expand... Nice one I liked them both. More so the louder RPi but I'm wanting to go down a CSL airbox route coupled with a nice oem+ zaust noise
getsetbrett said: Just listed Doddsy. I run these on my Z4M and cannot fault them. What specifically didn't you like about the Stromung & RPi setup? https://z4-forum.com/threads/bcs-powervalve-back-boxes-chrome-exhaust-for-z4m.152768/ Click to expand... Nice one I liked them both. More so the louder RPi but I'm wanting to go down a CSL airbox route coupled with a nice oem+ zaust noise