I need a new catalytic converter for my prelude but im having dificulties finding info on exactly what i need. My vehicle's exhaust is stock and because of the obd2 i want to make certian that i get a good cat that will allow for a little more performace when i upgrade my exhaust completely here in a month or so. Any help would be appreciated. Another question is a reputable company, and what is overkill for pipe diameter considering its only a 4banger. Thanks.

 

2.5 inch is cool. just get a ebay high flow cat or test pipe. or if you want get the omni power test pipe.

 

TDO, thanks for the info. I've looked online, but there is little info on OBD2 cats. Im looking for a tested and known cat that delivers performance and of course im worried about the back pressure specs and cost. Especially with 4 cyl's there is a great need for the correct amount of backpressure to ensure performance and good gas mileage at the same time. maybe im just too picky, i dunno. thanks anyways.

 

Catco makes good reputable cats, as does Random Technology

 

i am running a carsound cat in my 99 lude and it works great as well as provides enough catlyst to NOT throw an inefficient catalyst code.

 

go to mufflertech.com. I got a cat made from them for my 98 and it fits perfect with no CEL.

 

Thanks for the help guys, any additional help is of course appreciated but thanks for what has been posted thus far