Audio Systems: more bass, air leaks, pioneer 10

Question
My problem is i am not satisfied with bass quality and loudness. I have a 2001 yukon slt i just instald a ts-sw2541d pioneer 10" shallow mount subwoofer rms 50-250 watts, and a lanzar vibe 531 5 channel 1600 high rms 100x4 200x1 amp. i still am not satisfied with my bass what can i do to improve my bass i want to keed my factory radio and use my shallow mount subwoofer what can i do to improve my bass loudness and quality

Answer
Try sealing the sub box, air leaks can cause poor bass response. try reversing your speaker wires to the sub, it may be out of phase with the rest of the speakers. what is the crossover set to? you should not be allowing any frequency above 120hz to reach the sub.