I have a n/a Impreza RX, 2.0, 130HP, and once I heard that removing the catalyzer I can improve some HPs. Is it true?
Regards

Marco

 

do you mean the catalitic converter??

 

Yes...the ceramic one..

 

y would you want to do that its probally not gonna do you any good except make you really loud and cool down way to fast so ull eventually warp all your piping if your not carefull

 

Marquito removing your catalitic converter will give you more exhaust flow and give you more performance cause they are restrictive like hell. You can also get a hi-flow catalitic converter that performs almost the same as not having one .

 

its a cheap and easy fix. you might throw CEL depending on your OBD, but if you can do it id suggest it. just get a pipe that fills the gap.

whever the hell gave you the warp piping info should get run over by a honda for stating that..