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- RP-X Is Designed For Peak On-Track Performance With Higher Dust And Noise
- RP-1 May Be Better For Light-Medium Weight Cars; Non-EBC Kits Or No ABS
- Comparable Disc Wear To Other Track Materials; But Higher Than RP-1
- RP-X Has A 25 Percent Higher Friction Coefficient Than RP-1
- Offers A More Positive Initial Bite Compared To RP-1
- Suitable For Heavy Or Under-servoed Vehicles