I'm looking forward to go with either twin or quad exhaust from
supersprint for sdrive18d. I'm leaning more towards the quad tips as, for me, I think car looks more balanced with exhaust tips on both sides and super aggressive of course
However, I'm concerned if it adds more weight to the vehicle and affects weight distribution of the car. My ultimate plan is to change air filter and DPF + rear exhaust.
Just need some advise