theres threads in the aurion section comparing pedders and king springs or even coilovers if you want to go that way there is a number of people in bris with exhast done...all diff, u could meet up with some of us if u wanted to hear them (me, secaboy,DJKOR,Supercharged TRD) good luck with breaks cos none of us have done that yet. just search or ask specific questions and we will be happy to help