M3/M4 EBC RP-X Rear Brake Pads – EBC Brakes
- THE ultimate race pads
- Fit for race use only
- Incredibly effective at all temperatures
EBC Racings’ RP-X compound is an ultra-high performance track and race pad designed for performance vehicles driven hard on track and for dedicated race cars.
RP-X has a very stable friction coefficient of 0.55 mu up to and beyond 850 C, making it an excellent performer for even the most demanding vehicle applications. RP-X also has a high friction level from cold, requiring no warmup to achieve maximum braking effect which makes this material well suited for sprint race and hill climb events. Although RP-X is not R90 homologated for use on the public roads in EU member states, the fact this material possesses excellent cold performance means RP-X can be safely used for driving to/from motorsport events (where local laws permit).
EBC 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 Racing’s other track pad RP-1 which results in high levels of brake dust. Compared to RP-1, RP-X has a 25 per cent increase in friction coefficient across its working temperature range with a much more ‘positive’ initial bite.
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