Originally Posted by SOHC_civic_si
Magnaflow is my opinion. Very good quality, and good performance. Which B18 motor did you swap? What generation? Some come with a bung for the O2 sensor if it applies to your engine.
Sorry, it's a B18c from Japan. Not sure which gen, I think it's out of a 95 gsr. I had a 2.5" spun magnaflow last time, but I just want to make sure I get the most flow out of whichever one i put on there. Thanks for the info.