Maxton Design - STREET PRO DURABILITY SIDE SKIRTS DIFFUSERS (+FLAPS) BMW M135I F20 (2011-2015) bmw 135i We recommend measuring with vernier

We recommend measuring with vernier callipers for accuracy

Enhanced Performance Boost Hose Kit Upgrade (with dump valve outlet) for Focus Mk3 ST 250

Ideal when refreshing worn rotors or upgrading to a quality OE-spec alternative

Improved traction and braking stability by limiting diff movement

drivability remains OEM-like

Maxton Design - STREET PRO DURABILITY SIDE SKIRTS DIFFUSERS (+FLAPS) BMW M135I F20 (2011-2015) bmw 135i We recommend measuring with vernierStreet PRO Side Skirts Diffusers + Flaps BMW 1 F21 M135i M140i M Pack FITS ONLY: BMW 1 F21 M135i M140i M Pack 3 Doors (2011 2019) COMPLETE SET CONTAINS: Maxton Racing Side Skirt Diffusers Mounting kit Maxton Racing properties include: A more durable material; 10 mm thick ABS plastic. Increased impact and scratch resistance. New designs, providing a new unique style. UV protective coating. Temperature weather resistant. Products arrive with protective