9th gen civic si yonaka exhaust.

[@licenze4146]

What downpipe u running?

[@TheJanz3n]

Full race. It's in the description.

[@joeyysee6632]

Is just a catback exhaust or with a test pipe I have a 9th gen Si all stock with just a yonaka exhaust and your exhaust sounds a little louder mine sounds alittle smoother do you have anything else besides the catback ?

[@TheJanz3n]

I have no cat.