Rawlings Barnes joins the podcast to talk about Rudy's Diesel's entry in the 2018 Ultimate Callout Challenge. The road to 2018 is unlike last year - everything that's old is new again. Everyone in diesel performance knows exactly what that means. SPECIAL THANKS TO OUR SPONSORS Wehrli Custom Fab WCFAB.COM Exergy Performance Exergyperformance.com Alligator Performance alligatorperformance.com