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Flowmaster Stainless 50 Series Delta Flow 3" in 2.5" Dual Out Universal Muffler 2015 2016 6.7l powerstroke Regardless of what you drive FGXX 668603 Regardless of what you drive we have a Halo solution for you however its suggested that Duramax diesel owners install one of our Titanium Series pumps if you have several fueling upgrades or if you are looking for improved filtration and all the benefits that come with our top selling Titanium Series FASS Diesel Pumps The three chamber design utilizes Flowmaster's Delta Flow® technology along with an internal tuning chamber to reduce sound inside the vehicle Universal Muffler Some adaptation may be required
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