Description
Flo-Pro’s 4-inch turbo-back for the 2003–2007 6.0L Powerstroke (automatic trucks). Aluminized steel, mandrel bent, with the straight-through muffler that gives the 6.0 its bark without highway drone.
Fits: Ford Powerstroke 6.0L Powerstroke 2003–2007
Specifications:
– Part #: Flo-Pro 421024
– Diameter: 4 inch
– Material: Aluminized steel
– Muffler: Straight-through, included
– Fitment: Automatic transmission only
– Warranty: Flo-Pro factory warranty


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