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Optimized Engine Efficiency
All transmissions come with BD's heavy duty transmission pan and most packages come bundled with our auxiliary transmission filter kit for added protection
Billet Aluminum Filter Extension
6 percent less restrictive than OEM
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Merchant Automotive 10384 Billet Turbo Resonator Delete Plug CORE-900 Optimized Engine EfficiencyUse the Merchant Automotive 10384 Billet Turbo Resonator Delete Plug and clean up under your hood by removing the bulky stock turbo resonator and replace it with the Merchant Plug that's engraved with the word Duramax! This plug is made from high quality billet aluminum, this Resonator Delete plug is a nice customization to make your Duramax a little more personal. Your stock resonator has the potential to crack, letting unfiltered air into the