Volkswagen Polo (6R) 2.0 TSi R-WRC panel filter ARP This 48mm small bore is

This 48mm small bore is nowhere near the optimum flow rate of the Fiesta ST180 Borg Warner Turbocharger

We tried a 40mm core and where it worked well but on track we could still see improvements were needed and so we opted for a huge 50mm core 'normally found on our Cosworth radiators' it was perfect

coupled with it's billet aluminium construction give it over 30PSI boost handling capability

Engine oe item

The BR series coilovers use a large 44mm diameter piston in a 53mm diameter damper body to maximise oil capacity

Volkswagen Polo (6R) 2.0 TSi R-WRC panel filter ARP This 48mm small bore isPanel type Unique Panel Dimensions 280mmX226mmX