ok well i have power acoustic mofo 12's and a set of blown audiobahn immortal 12's but those have fried up voice coils but the power acoustiks are startig to tear away from the combing..the immortals combing is thick as hell and the the voice coils on the subs take the extra 800rms fine if i recone the subs with the combing from the immortals would they get better excursion and stuff lol