Originally Posted by
DBpro
i found out that i can't use gsr harness, cause it was made of 2 pieces.
i need 00 civic si harness. Thats clear now to me.
What about exaust?
i am using gsr header. can i reuse my old cat back?
What kind of Catalytic converter should i get? from gsr or civic EX?
you can use your old exaust
it's going to be short so take it to a muffler shop, or do it yourself (if your handy).
use the gsr cat if u can.