Removing catalytic converter results in a more linear boost and throttle response

as well as a straight silicone connector to use with an uprated induction kit using an 80mm inlet

In cosa si differenzia dallo splitter posteriore centrale

Diffusore Posteriore Mercedes W206 Sedan / SW Look C63

Diffusore Paraurti Posteriore Doppia uscita singola BMW Serie 1 F20 F21 LCI (2015-2019) Nero Lucido Competition Design SKU:RDBMF20MCDSOB Removing catalytic converter results inThis double outlet air diffuser is meant to add a sporty touch on your BMW. Monta su BMW Serie 1 Hatchback LCI F20 F21 (2015 2019) M tech M Sport Bumper Non Monta su BMW Serie 1 F20 F21 (2011 2014) BMW Serie 1 F20 F21 LCI (2015 2019) equipped standard bumper BMW Serie 1 F20 F21 Genuine M Performance Descrizione Rear Bumper Spoiler Valance Diffuser Double Outlet for Single Exhaust Crafted in high quality plastic The air diffuser is painted in piano