BlackBoost FTA Adapter for Mercedes-Benz A45(S) AMG (W177) M139 2.0L I4 Turbo (2019+) boots Seal Rings prevent debris to

Seal Rings prevent debris to enter the chain which ensures the efficient horsepower transmission from the engine to the rear wheel throughout the chain life

Ergonomically profiled for an optimized youth fit and with Level 1 CE certified protection securely held in position via a dual strap closure system

Klim Krios Pro Crown Liner - Black

resulting in more fresh air with less noise

BlackBoost FTA Adapter for Mercedes-Benz A45(S) AMG (W177) M139 2.0L I4 Turbo (2019+) boots Seal Rings prevent debris toBlackBoost FTA Adapter for Mercedes Benz A45(S) AMG (W177) M139 2. 0L I4 Turbo (2019+) The BlackBoost FTA (free to air) adapter converts the factory diverter valve into a blow off valve by redirecting the compressed air from the turbo to be vented to the atmosphere instead of the air being redirected into the air intake. Features: No Tuning required No Check Engine Light Plug and Play Installation Machined 6 Series Aluminium Iconic Blow off sound The