I replaced the front speakers in one car with Pioneer TSD6802R's. The highs are more crisp, but to tell you the truth, I like the factory sound better. I ordered 2 pairs of the Pioneers, but I haven't put them in both cars yet, and may not bother. IMO the factory speakers aren't that bad.
2011 GT. Grabber Blue. Procharged. 3:73 manual.Billit LCA's. Corsa Extremes. GT 500 wheels. Racemaster DR's. T-56 Tremec. Dynotech DS . Centerforce DF. American Racing headers/high flow cats 560 rwhp.Donny Walsh tuned
2012 Pony Package. Race Red.3:31 automatic.BBK longtubes and catted X.FRPP Sport axlebacks. BBK throttle body. Dynotech DS. Brembo wheels and tires. Strut tower brace. Airraid CAI. Bama tuned.