ok nonw tell me does this sound like a smart trade on my buddies part? he has an 02 GMC ext cab long bed with a 10" full throttle lift and 38's edge juice with attitude, 12" in dash mbrp 5" turbo back and limo tint all aroung among other things. he is about to trade for an 06 cummins crew cab long box dually with 4" turbo back???? doesnt make sense to me!!!!!