Description
2008-2010 Powerstroke 6.4L 4″ Downpipe Back Exhaust w/ Muffler (421006)
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 Mel’s system. For powerhouse performance, Mel’s delivers – horsepower you can hear!
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