For what it's worth...
I uploaded a video of the SQ4 stock exhaust. Planning on replacing center pipes with Bertocchi (Japan local brand) exhausts which give it a slightly higher pitch.
https://www.youtube.com/watch?v=YTVNjhmhgQc
I uploaded a video of the SQ4 stock exhaust. Planning on replacing center pipes with Bertocchi (Japan local brand) exhausts which give it a slightly higher pitch.
https://www.youtube.com/watch?v=YTVNjhmhgQc