Deviile 2000 DTS, I am in the process of buildong my system again, I am going to run 2 12 inch type R's loaded at 2 ohms, ran by 2 alpine m350 amps, I havent got the head unit yet, but I will be getting a 4 channel alpine amp, maybe 50x4. My question is can i still use the existing bose speakers in the car to run the amp to, I know in the past some of my other vehicles factory speakers have sounded good with minimal wattage but very clean