RPM is a company of special suppressants to use with tailpipes, making cars' tailpipes spit out cool fire at the nighttime. Winford Bradford Rutherford and Riley are the bearers of this sponsor at the Piston Cup races.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.