Flowtech Upright Derby Headers

Headers that Offer Performance and Value

Flowtech designed this heavy-duty, 16-gauge 409 stainless steel header with the derby driver and mud bog competitor in mind. Featuring mandrel-bent tubing, Upright Derby Headers provide a consistent and smooth flow to increase exhaust velocity, and the welded-in collector merge spears help control back pressure allowing your engine to build more horsepower.