2018 Chevy Silverado - Flowmaster 40 Series Muffler (Flowmaster Exhaust)

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Welcome to Monster Muffler, where we have proudly served the South Bay's exhaust and performance needs since 1984. We specialize in custom exhaust work, and we carry leading brands of performance mufflers such as Flowmaster, Borla, Magnaflow, Carven, Black Widow, Dynomax, Standard Turbos, Stock Mufflers & Glasspacks. We also carry over 300 Catalytic Converters, from Magnaflow, Walker, Miller and Catco to serve your needs. And let's not forget your Stainless Steel, Black Powdered, Blue Flame, Diesel, and Chrome tips to help make a statement. Our facility has 4 bays that can accommodate something as large as a class C Motorhome or as small as a Volkswagen Beetle. So, whenever you're in need of exhaust service, our qualified staff is here to help you.

[@jordywalburger2165]

I did almost the same thing. 3 inch cat back, flowmaster super 40, single side exit. And I cut out the factory exhaust flapper valve. Sounds really good, nice and deep and mellow. No Hwy drone either. Has nice tone now.