DIY air intake modification methods for Smart fortwo, showing three custom intake designs using mesh, drilling, and PC fan decorations.

Instructional page showing three ways to modify a smart car air intake with photos of drilled components and mesh filters.

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See all Powertrain figures for the Fortwo (450), or browse the full figure library. Part numbers and callouts are community-sourced and cross-referenced against the manuals — confirm with your VIN before ordering.