CHD Tuning Rear Diffuser Extension – Abarth 595 (Series 4) Finish your Abarth's rear end the right way. The CHD Tuning Rear Diffuser Extension adds a genuine motorsport flourish to the underside of your Series 4 Abarth 595, transforming an otherwise understated rear bumper into something far more purposeful. Featuring a multi-fin diffuser design that frames your exhaust outlets, this extension pulls the entire rear end together with a race-inspired finish that looks just as impressive painted as it does raw. The rear end your 595 always deserved. Why Choose the CHD Tuning Rear Diffuser Extension? Designed and developed in Turin, Italy by CHD — established 1999 Multi-fin diffuser design for a genuine motorsport aesthetic Frames and enhances the appearance of your exhaust outlets Lightweight fibreglass construction Engineered specifically for the Abarth 595 Series 4 (2016 onwards) Part of CHD's extensive Abarth aerodynamic range Vehicle Compatibility Abarth 595 Series 4 (2016 onwards) Important Information Please read carefully before ordering: Made to order — contact us for availability and current lead times Typical lead time — approximately 4–8 working weeks Supplied unpainted — raw fibreglass finish Finishing required — professional preparation, priming, and painting needed prior to fitment Photo for illustration purposes only.