The out side of the Scion TC is mostley Carbon Fibern After the sound system will finish the car up with a turbo charger, but heres the sound system. took back seat out, box takes up all of back other than the far back where the box is for the air bag system sits. Alpine IVE-W535HD 6.1" Double Din In-Dash Touchscreen Receiver Car Stereo Radio With Bluetooth , (4)-Alpine PDXM12 1200W Mono RMS Digital Amplifier running each amp running two total Alpine SWX-1243D 12" Subwoofer Speaker Rating: Max RMS Power Capacity: 1000W Peak Power Capacity: 3000Wand two and two running each Alpine Type-X 10 Inch Max RMS Power Capacity: 1000W Peak Power Capacity Swx-1043d Dual Voice Coil 4 Ohm 3,000 Watt Car Subwoofer. plus two pair of Alpine SPR-60C 6-½" 2-Way Component SystemAlpine SPR-60C 6-½" 2-Way Component System powered by one Alpine PDXF6 / PDX-F6 / PDX-F6 4 Channel 150W Car Amplifier. plus three Alpine RUX-KNOB Remote Bass Level Control Knob for PDX-M12 and PDX-M6 to control base from amps. plus one Rockford Fosgate 10 Farad Hybrid Digital Capacitor just incase of to much draw plus 2 T-SPEC V12DB-1144 1/0-Gauge In/Four 4/8-Gauge Out Compact Block Distribution T-SPEC V12DB-1144 1/0- , plus 4 Rockford Fosgate Positive/Negative Battery Terminal (2) 1/0 AWG/4 AWG Input (2) 8 AWG Inputs. one 180 high output alternator one Optima TelloTop CCA 750 amp Battery for under the hood and one SHURKEN 140AH audio power cell that has its own place nicley hidden in the car to power the box itself. My questions is ? Is there anything else I have missed to make sure the system runs great?