Change the look and sound of your 2014-2019 GM 6.6L Duramax without busting the bank by installing the Magnaflow 18942 4" Aluminized Pro Series Dual Filter-Back Exhaust System. This exhaust system features 4” aluminized steel that is mandrel bent for maximum flow and includes dual 304 stainless steel tips that polished to a brilliant shine.
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