This Polk is a great deal right now, and it even comes with a free 10" sub if you buy it before 4/30. I have been very impressed with the reliability of the Polk/MOMO products that I have reviewed.

Polk/MOMO 75x4 amp

98 CSVT black/midnight Trubendz catback, BAT inlet pipe, 75mm Pro-Flow, K&N open air on SCA cold air pipe, Optima Red Top in trunk, short shifter, Richbrook e-brake, lowered, side markers, mesh grille/bumper inserts