new exhaust.. help
 

Hi, im thinking of changing all the exhaust sistem, and i want to eliminate the catalyst.. ( street legal isnt a factor)here in Chile it doesnt mater. Anyway if money wasnt a factor, wich one wold you chose? and what the f#$ must be done with the sensors in the exhaust maifold and the one in the catalyst? i own a 2005 civic ex coupe automatic...opinions please..

RE: new exhaust.. help
 

you will screw up the ecu and set off check engine lights if you get rid of the cat in the 01+ civics. just get a good cat-back exhaust and a high-flow cat. and a good header.

RE: new exhaust.. help
 

sorry i meant to change everything from the header-out ( poor english me tarzan hahaha)

RE: new exhaust.. help
 

but isn´t it true that de cat, even a big one "takes out power"?

RE: new exhaust.. help
 

Anyway can someone help me out with brands and models.. there isnt much for mý car yet( for what i´ve foud).. nor any information here in The south of south america! well maybe one or two theves who call themselves mecanics...

RE: new exhaust.. help
 

very little, but its worth it on OBD2 cars. you just get a bunch of CELs and you always have to reset them. just get the high-flow. it might cost you 1-2 HP. but when you get a CEL, the ecu goes into limp mode, and you lose way more than that.

RE: new exhaust.. help
 

the apex N1 is my favorite exhaust system and it sounds really mean. i would go with that one if you can find it but you definatly need your o2 sensors, you dont want to mess around with that stuff