Wesfil Air Filter WA5233 Ultra-Select Most importantly it�s what�s inside

Most importantly it�s what�s inside and how it�s made that really counts

The Ultra Performance Disc Rotor is made with longevity and performance in mind

The Protex unique vane designs allow for better cooling to give you top performance at high braking temperatures

which prevents corrosion for a longer life

The unique vane designs including pillar

Wesfil Air Filter WA5233 Ultra-Select Most importantly it�s what�s insideThe extensive range of Wesfil air filters are a direct result of a wealth of technical and manufacturing expertise. Air filters play a huge role in maximizing engine efficiency and fuel economy. Continual research and development has led to a range of features designed to optimize vehicle performance.