you could put a small 2 channel amp to that. something 35 to 40 watts per channel RMS. An aftermarket radio would run it but an amp will fill in and improve bass response.
2006 SE 6 Speed, Solar Yellow. Zone 2" Hydro BB, Sway Links, and Steering Stabilizer. 31x10.5-15 Bridgestone Dueler AT Revo. Alpine CDA9813, Polk MM6, Polk C400.4