I currently have a 07 Mazda 3 with BA Pro 60's in the front and the rears. Powered by a Alpine PDX 4.150. with the Alpine CDA 9887. It all sounds amazing. I would go with the BA Pro 50's and a Alpine PDX 2.150. You can get the pro 50's for $350 from Techronics. I ordered my pro 60's from...