I do not know much about cars alltogether but i do know a little soo here we go i have a 02 rsx-s and i want to put the rsr exmag full exaust system on my car and i was told it will replace the cataliyic converter but then i dont know if i will pass the new emmisions standards please help.

 

it won't, it's after catalytic converter back. now getting a race header will fail sniffer test. But that's where the power is at N/A

goodluck