I have a 2001 GMC Sierra and I was wondering what subs I should use. The problem is airspace theres a minimal amount behind my seat. I currently am running a 10 Alpine type r. I want to go with 2 12's. I was leaning towards 2 JL 12w3v2 or 2 10w3v2 being pushed by a JL 500/1 amp. What do yall suggest