Brandon Arpin of Valvetronic Designs joins the guys to detail the technical science behind achieving the perfect, non-raspy sound for modern hot rods and luxury cars. He shares how the company moved from a simple BMW exhaust fix to a powerhouse now expanding its titanium and stainless-steel valved systems into the Jeep, Raptor, Mopar and diesel markets to satisfy both the track racer and the sound-conscious enthusiast. Listen in as Kevin and Willie discover the secrets to engineering the ultimate exhaust note and building a successful automotive performance brand. 

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