Derby Headers Blog
Flowtech Expands Derby Header Lineup!| 11/19/2019
Flowtech upright headers feature CNC mandrel-bent primary tubes that provide consistent tubing diameters for smooth flow of the exhaust pulse and increase the cylinder scavenging of the exhaust to improve engine breathing. The primary tubes are constructed from heavy duty 16-gauge 409SS tubing for increased strength..... CLICK HERE TO LEARN MORE!
Holley Releases All-New Flowtech Upright Headers| 08/24/2016
Flowtech's all-new Upright headers are perfect for demolition derbies, mud trucks, and truck pullers. They're available in a natural finish in two tube diameters (1-5/8” or 1-3/4”), and both are designed specifically for Small Block Chevys – especially big-cubic-inch Small Block Chevys.
Family Sport - Logan Duvall's Demolition Derby Car| 06/24/2016
Logan Duvall has worked for Holley Performance for just over a year. Little did we know that all this time he and his family were building one of the most serious demolition derby cars to hit metal with metal. At the same time he's been working on perfecting a brand new set of Flowtech derby headers that are now available. They are perfect for demo derby competitors, truck pullers, and mud racers alike!