1) Only one post needed
2) Best places to check are the For Sale and Wanted to Buy sections. I don't think there'll be too much in the way of 34's getting wrecked for parts, but there's shittons of 33's that do. Do a search for R34 airbox, or similar in there.
3) Street racing is bad, mmkay. Chin up, now you're part of the community, look at enjoying your car in a legal and safe manner (AND COME TO TEXIIIIII) etc
edit cause i'm bored
Airbox with K+N filter $150
Airbox with snorkel, $50
R34 airbox $50
If you're interested in them, you can't PM until you have 10 posts (and please don't spam to make it up to 10 posts, just join in with the conversations), and then shoot them a PM, be polite and concise, and ready to pay when you get a PM back if it's all good to go
Hooray i'm making better members