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1-Today's tip is sensational, explaining the technique behind the correct installation of exhaust diffusers, like it and activate the bell so you don't miss the weekly tips on welding and high-performance exhaust. 2-Our networks Website https://mad4racing.com.br/ Instagram / mad4racing Facebook / mad4racing 3-Partners https://www.haustechmotorsports.com.br/ 4-About Mad and M4R Over 10 years in the automotive high-performance area with experience in Brazil, USA and Dubai, today I come to share some of this knowledge through YouTube and soon we will have the launch of our STAINLESS STEEL TIG WELDING COURSE FOCUSED ON HIGH-PERFORMANCE EXHAUST, access our networks and wait.