EBC Racing 2017+ Audi RS3 2.5L Turbo RP-X Front Brake Pads 2003-acura-mdx-esi9665749 The PCV check valve closes

The PCV check valve closes when intake manifold pressure is near or above atmospheric (under boost)

but still want a sporty/enjoyable driving experience

Supports Stage 2 and big turbo upgrades

Endurance racing applications requiring quick refueling

EBC Racing 2017+ Audi RS3 2.5L Turbo RP-X Front Brake Pads 2003-acura-mdx-esi9665749 The PCV check valve closesEBC Racing does however emphasise that RP X has been developed for peak on track performance, meaning higher levels of brake dust and brake noise should be expected. RP X has comparable disc wear to many other popular track race materials, however RP X disc wear is considerably greater than EBC Racings other track pad RP 1 which results in high levels of brake dust. Compared to RP 1, RP X has a 25 percent increase in friction coefficient across its