Thebiggest difference comes in the B9 non B&O cars because of swapping a tweeter with a mid-tweeter. The non B&O cars otherwise just have a midwoofer in the doors and a tweeter in the dashboard ends. So is completely missing the mid range. And this is where the 3FE22s really shine. I honestly cannot say enough, how much difference they
MercedesBenz Class C (W205 2019) 200 (2018) vs BMW G20 3 Series 320i Auto (2019) vs Audi A4 (B9 2020) 40 TFSI (2020) Audi A4 (B9 2020) 40 TFSI (2019) vs Audi A4 (B9 2020) 40 TFSI (2020) Magazine. Outstanding sedans of the 80s which made history. Group B Homologation Legends. . 402 474 271 328 66 24 325 28