Side Skirts Diffusers BMW I3 Mk1 Facelift CLS 53 (C257) At the rear end of

At the rear end of the system is an acoustically developed silencer to ensure zero drone throughout the rev range

replacing the centre and rear sections keeping the stock catalyst and GPF (Gasoline Particulate Filter) in place and keeping your vehicle MOT compliant

if you place an injector 4-5mm lower into the cylinder head it subjects it to extreme higher temperatures which also contributes to premature seal failure and can cause detonation problems

20-25mm Front

Side Skirts Diffusers BMW I3 Mk1 Facelift CLS 53 (C257) At the rear end ofSide Skirts Diffusers BMW I3 Mk1 Facelift FITS ONLY: BMW I3 Mk1 Facelift (2017 2022)