What size subs?

[Robert]

I have a honda civic and I plan on building a fiberglass sub enclosure that will fit in my spare tire well. My question is what size subs should I get and how many? Should I go with 2-10's, 2-12's, or 1-15?

Also any suggestions on what brand? I am kind of leaning towards the Polks.

[Jstas]

Get your measuring tape and start measuring the useable space you have. That will determine what size speaker you should use.