I had BBK offroad x originaly. I hate the friggin thing. Took it off and put in OEM junk back on until I got Prochamber. Now, I personaly think ProChamber is the best sounding. But surely is not the highest quality unfortunatlly. Now if I'm to goget yet another mid-pipe, I think I'll go with Magnaflow catted x or SLP catted X. They are both high quality pipe from what I'm hearing, and although I prefer sound of H, i like the quality of them two