my brother is lookin for some subs for his truck but we're not sure what he wants..he is lookin for spl and thinkin about them probly being 8"s b/c it will go under neither his back seat...its a 00 silverado 2500....he wants it as loud as can be....don't care to much for sq... if uk know of any 10s that sounded good in one of these truck let me know.. but we were thinkin 8"s b/c there won't be much volume....any opinions will help...thanks