Maxton Design Rear Diffuser Opel / Vauxhall Astra K OPC-Line / VX-Line (2015-2019) 3 Series (G20) M-Pack a gain of 24bhp and

a gain of 24bhp and a drop of 35°C

** Fits only with: FOMO5FSPORTCNC-SD1 **

This kit allows you to replace  the original plastic top and replace it with the AIRTEC Motorsport oil breather housing top

Note - Fits GPF models to O/E exhaust only - the original pipework will have to be cut to enable this exhaust to fit the vehicle

5mm pipework and fit from the front pipe section backwards

Maxton Design Rear Diffuser Opel / Vauxhall Astra K OPC-Line / VX-Line (2015-2019) 3 Series (G20) M-Pack a gain of 24bhp andRear Diffuser Opel Vauxhall Astra K OPC Line VX Line (2015 2019) FITS ONLY: Opel Vauxhall Astra K OPC Line VX Line (2015 2019)