It seems unique and not too obnoxiously loud, just the right amount of sound from what I heard on some of the youtube videos. Although pretty much anyone with an E89 has a race version. I heard the sport version on the 335i which was not too loud.
What is a catless DP,
. I am a newbie when it comes to modding. Hoping to get the right thing done with help from you all.
Also will I pass inspection with a catless DP.
Thanks a lot for all the help.
