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7L Powerstroke
high-flow exhaust path directly from the turbo outlet
Valvoline All-Terrain 15W-40
Best practice: Machine both the head and block for perfect flatness
By simply bolting this kit on
2011-2015 Duramax LML 5" Downpipe Back Dual Exhaust No Muffler (531013) Material:Aluminized 7L Powerstroke2011 2015 Duramax LML 5" Downpipe Back Dual Exhaust No Muffler (531013) Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Flo~Pro system. For powerhouse performance, Flo~Pro delivers horsepower you can hear! IMPORTANT NOTE: The
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