Quote:
Originally Posted by Drawn05
HJS gmbh makes 200 cell cats that are EURO 5 compliant and have a 90% flow rate. I would say that these are either the OEM cats used by M division or very similar. They cost an arm and a leg ($750 each!!!)
I would say that OEM 135i cats are 400 cell, hence why removing them is so beneficial.
|
The HJS 100 cell is still Euro4 compliant at 95% - and we only need to be Euro4 here at the moment. Not sure if it's worth it though.