The “Recognizing the Protection of Motorsports (RPM) Act” clarifies that it is legal under federal law to modify the emissions system of a motor vehicle that is converted for race-use-only. If passed, the legislation will protect Americans’ right to modify street vehicles into dedicated racecars and industry’s right to sell the parts that enable racers to compete.
Links
[1] https://www.sema.org/epa-news
[2] https://www.sema.org/rpm-bill-summary