Dual Exit Ford Focus ST-Line (Mk4) Rear Panel Diffuser by Rieger Yaris (MK1) whereas the stock design has

whereas the stock design has no flow management to the lower opening and the upper is small and not fully sealed

For use with the DPF removed

1 BMW 2 Coupe M240i G42

We also wanted to incorporate a design that increased air flow balance across the three cylinders

Dual Exit Ford Focus ST-Line (Mk4) Rear Panel Diffuser by Rieger Yaris (MK1) whereas the stock design hasThis dual exit lower rear diffuser panel fits Mk4 Ford Focus ST Line models and attaches directly to the OEM fitting points of the rear bumper. Specifically designed to be fitted in conjunction with the Cobra Sport dual exit performance exhaust conversions for the Focus ST Line, this lower rear diffuser panel is finished in gloss black and requires no painting. The dual exit panel allows the conversion to a dual exit Focus ST style exhaust system