In this episode from Solo Nationals 2025, we catch up with Ryan Lower, a veteran driver in the Kart Mod autocross class, to break down how shifter karts fit into the SCCA world, what makes them lightning-fast, and why more autocrossers should consider jumping into a kart.We also sit down with Dan Sumner of Mazda Motorsports to discuss Mazda’s deep-rooted support in grassroots motorsports, from contingency programs and parts discounts to their growing presence with the CSX -- the autocross version of Spec MX-5.If you’ve ever been curious about racing on a budget, or just want to go fast and have fun, this episode is packed with insight on how to get started — from Kart Mod to Club Spec. #SoloNationals #KartMod #Autocross #MazdaMotorsports #GrassrootsRacing #ShifterKart #SCCA #funwithcars Partners - A big thank you to our partners who help make Inside the SCCA possible!William R. Pintaric and Associates. David Pintaric is a long-time SCCA racer. He's also the Principal at the investment and financial planning firm William R. Pintaric and Associates. Our reasons for becoming financial professionals are deeply personal. We repeatedly saw many friends and family struggling to find the help they needed to map out their financial future. We are confident that with our understanding of personal finance, coupled with our training as financial professionals, we can help people better prepare for the future. After years in the business, we have developed a reputation for educating individuals in an easy-to-understand manner so they can grasp personal finance and use those concepts to pursue their financial objectives. We feel a commitment to our community. Check them out at https://www.wrpintaric.com/Solo Performance Specialties - Learn more at https://soloperformance.com/ – Check out SPS for all your autocross racing needs. Babyface Fabrication – https://www.babyfacefabrication.com/ – Josh has two decades of experience as a fabricator, most recently working for championship winning NASCAR teams. The first thing he fabricated was a go kart from scrap steel and an old snowmobile engine. Creating and building things became his lifelong passion. He moved on to race cars and built and raced several cars in Michigan and Florida. He later moved to North Carolina where he did chassis and body fabrication for NASCAR teams. He has more than 70 wins in the top three NASCAR series, along with multiple championships and a little success racing his own cars and snowmobiles.Full Send Sims – The Official Sim Rig of Inside the SCCA. https://fullsendsims.com/Ray Esports is the official sim racing league of the Inside the SCCA podcasts -- from the "Unofficial SCCA eSports Racing Leagues on Tuesday nights, to the weekend warrior leagues on Saturday and Sunday -- Ray Esports is the place to go for SCCA members to racing. What I like best about the Ray eSports leagues is that the racing is much more respectful than the vast majority of eRacing leagues on iRacing. Go to https://rayesportsracing.com/ for all the info you need. Code Blue by Audionautix is licensed under a Creative Commons Attribution 4.0 license. https://creativecommons.org/licenses/...