which exhaust and filter

[vti-2]

cold air intake, you have injen(usa), AEM, Mugen, ...and one more the approx $2g ...whats the name..off my head, i forgot the company that makes the 2 bubbles looking thing

You talking about ARC intakes?

Here are some pics of the N1.

Apexi N1 Muffler


Apexi N1 Titanium exhaust


And..

Buddyclub Sports exhaust




The N1 is the nicest IMO. It is also very loud, but not as loud as the Buddyclub Spec 2 & 3 exhaust systems.