What Do You Have to Prove with Frank "RevMax" Kuperman JR (PRE UCC)

When this podcast was recorded - just seven days before the Ultimate Callout Challenge - Frank Kuperman admitted his truck wasn't ready. But no one else was either. #UCC2018 Special thanks to our sponsors: Wehrli Custom Fabrication WCFAB.com Exergy Performance Exergyperformance.com Calibrated Power Solutions calibratedpower.com Duramaxtuner.com