Originally Posted by Ron1n
My car is due for smog, and once that's done, I think I'm gonna get the DPF removed to get that extra HP that we lose from the UK cars.
Take a look at post #37 in this thread: http://www.e90post.com/forums/showth...6#post13125026
This guy is from Ecotune, and as he notes, they have many, many hours with DPF removal. He might be able to address questions you have.