Infinity Reference REF-3022cfx 3-1/2" 2-way speakers at Crutchfield
Amazon.com: BOSS Audio Systems BRS35 3.5 Inch Replacement Car Door Speakers - 50 Watts Max, Sold Individually, Use With Stereo and Tweeters : Electronics
Kicker CS Series 46CSC354 90 watts 3.5 inch 2-Way Coaxial Car Speakers