CAT DELETE TEST PIPE ON THE CIVIC

[@darinp5612]

it's not illegal. Some states and counties do not require emissions.

[@Saphiras_Wolf_Den]

Did you use a o2 fouler to trick the ecu so no check engine light?

[@matthewnewton8277]

I just plugged the stock O2 sensor in and the engine light never came on

[@HonditosLoco]

How can i find that exact test pipe. Nothing shows on ebay. Please i need help.

[@jacksonkeane3909]

Can you link to where you brought it from please ?

[@tteather7157]

Please link where you got it from

[@greenbankbaby]

Did it make it faster?