![SMARTflash - Cylinder Deactivation Calibration [Mk8 Fiesta ST] mudflap Despite being more complicated and](https://cdn.shopify.com/s/files/1/0367/2621/files/m235_vde_2048x_af2f7d06-0d3a-4f9f-aa49-be98d570502f.webp?v=1748718987)
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Despite being more complicated and therefore expensive to manufacture
Easy to install on the entry to the inlet plenum
Multi-layer construction ensures seal under high cylinder pressure
when replacing or upgrading the exhaust system
SMARTflash - Cylinder Deactivation Calibration [Mk8 Fiesta ST] mudflap Despite being more complicated andThe 1. 5 litre Dragon engine fitted to the Mk8 Fiesta ST utilises a VDE (Variable Displacement Engine) setup which seamlessly deactivates one cylinder when cruising, or on coast down to help with increasing fuel efficiency and reducing Co2 output. However, eagle eared owners can pick up the somewhat strange noise this activation causes and in particular, when replacing or upgrading the exhaust system, this audible change becomes very apparent (and not