RRM axleback and RRM Downpipe
https://www.evolutionm.net/forums/se...archid=2271010
Please look around on simple questions like this. The sound of the downpipe has been discussed to death, and there are videos out there where you can hear the sound. Yes, it will sound buzzy and loud. There are a lot of upper-RPM gains with the downpipe, and next to none with the axleback.
Please look around on simple questions like this. The sound of the downpipe has been discussed to death, and there are videos out there where you can hear the sound. Yes, it will sound buzzy and loud. There are a lot of upper-RPM gains with the downpipe, and next to none with the axleback.








