Rudiemods MATCH Stage 3 Speaker Upgrade System For BMW 3 Series F30 2014 Onwards Focus Mk4 7 dB Woofer size 17

7 dB Woofer size 17 cm Woofer material IMPP Composite Cone Midrange size (mm) 30 mm Voice Coil type Copper Voice Coil bobbin type Polyimide Magnets Ferrite Weight 0

S-U-MM-I-T Chassis reinforcement equipment improves chassis rigidity & reduces un-wanted chassis flex

Recommended Box Volume Ported (Litres) 42

running 320+ BHP

Sharper throttle response (particularly off boost)

Rudiemods MATCH Stage 3 Speaker Upgrade System For BMW 3 Series F30 2014 Onwards Focus Mk4 7 dB Woofer size 17Rudiemods MATCH Stage 3 Speaker Upgrade System For BMW 3 Series F30 Sedan 2014 Onwards Package description This is a complete front and rear door and under seat sub woofer speaker upgrade system for the standard BMW speaker system with an additional boot subwoofer and amplifier. As many BMW owner's know, the standard speaker system is not the best and lacks in power and clarity. With our stage 3 speaker package from MATCH you can say good bye to