AIRTEC MOTORSPORT INDUCTION KIT FOR MK4 FOCUS ST 2.3 ECOBOOST Filter Option:Standard Cotton Filter (19 mm) one-way allows it

(19 mm) one-way allows it to deliver impact well beyond the range of other 8-inch Subwoofers

it can be easily replaced if you require a quieter driving experience

This Prosport Coilover Kit will fit these BMW F21 1 Series 3 Door models

Both high-frequency drivers also benefit from the damping of silk surround suspensions and Ferrofluid in the voice coil gaps

2 Duratorq TDCi 2006-2014

AIRTEC MOTORSPORT INDUCTION KIT FOR MK4 FOCUS ST 2.3 ECOBOOST Filter Option:Standard Cotton Filter (19 mm) one-way allows itAIRTEC MOTORSPORT INDUCTION KIT FOR MK4 FOCUS ST 2. 3 ECOBOOST AIRTEC Motorsport induction kit that works perfectly with the standard or modified Mk4 Focus ST 2. 3 EcoBoost. Enhanced induction sound, great looks and loud turbo noise on let off. TECHNICAL DATA AIRTEC Motorsport induction kit that works perfectly with the standard or modified Mk4 Focus ST 2. 3 EcoBoost. Enhanced induction sound, great looks and loud turbo noise on let off. Features: