There’s been a lot of talk lately about how bad or good the BMW F80 M3 and F82 M4 sound ... For those people, Armytrix launched a new Valvetronic exhaust system that sounds absolutely incredible.

After releasing a very interesting video with their new Valvetronic exhaust for the F30 335i, they’ve done it again, this time with the M235i. The car we had the pleasure of reviewing ourselves ...

Having concluded many thousands of miles of road and dyno testing, extraction expert Milltek has announced details of its latest BMW performance exhaust system to the market. This latest design is ...