TDSR is back and Peter sets up a clinic tonight to answer all of your question about DEF.  What is DEF?  Listen to the episode to find out.  Peter and Cecil discuss the chemical make up of DEF which is always a treat.  We definitely talk about how and why DEF is used.  You will leave being able to entertain your friends at your next dinner party with your knowledge of DEF. #TDSR #DEF #Diesel #Trucks

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Wonderfully Made Designs - Custom T-Shirts and Decals, Contact Casey on Facebook @ WonderfullyMadeDesigns139.14. Use Code TDSR10 for 10% off your first order!