What California's New ECU Law Means for Tuned Cars

California's biennial smog check now includes a test to detect unapproved ECU software or aftermarket tuners. We spoke with a SEMA representative to find out what this means for your car. If you have trouble reading this message, view it in a browser.       FOLLOW         What California's New ECU Law Means for Tuned Cars   California's biennial smog check now includes a test to detect unapproved ECU software or aftermarket tuners. We spoke with a SEMA representative to find out what this means for your car.   READ MORE             The C8 Corvette Z06 Will Be Revealed on October 26   Chevy's track-ready mid-engine Corvette and its flat-plane V-8 are just a couple months away.   READ MORE           The 24 Hours of Le Mans Live Blog   The Hypercar era has begun at the Circuit de la Sarthe.   READ MORE             Listen to This Twin-Turbo Shelby GT350R Go 202 MPH in the Half-Mile   With 1600 horses under the hood, this highly modified Shelby has no trouble breaking the 200-mph barrier.   READ MORE             The Bentley Balacar Is a Zippier Continental GT With no Roof   Unfortunately, every $2.1-million example Bentley will build has already been sold.   READ MORE             Car-Loving Kids Will Love This!   Sign up for R&T Crew, the kids club by Road & Track, and they'll get a fun-filled box of STEM-inspired activities and branded gear delivered straight to their door!   READ MORE         FOLLOW       Unsubscribe •  Privacy Notice   roadandtrack.com ©2021 Hearst Communications Inc. All Rights Reserved. Hearst Email Privacy, 300 W 57th St., Fl. 19 (sta 1-1), New York, NY 10019