Ford Mustang 2011-2013 Long Tube Raw Steel Exhaust Header while Cleveland/Modified applications use precision

while Cleveland/Modified applications use precision laser-cut steel for a factory-style fit and finish

Speedmaster lightweight crankshafts are perfect for engines wanting quicker rpm

Speedmaster aluminum Water Pump pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

The internal components are made from EN36 Material as used in racing

Chevy Caprice

Ford Mustang 2011-2013 Long Tube Raw Steel Exhaust Header while Cleveland/Modified applications use precisionIncrease your horsepower and torque for your ride just bolt on these Speedmaster headers! These headers are designed with 3 8 in. thick laser cut flanges and mandrel bent primary tube. If your vehicle is using aftermarket components, parts from other applications, or custom altered parts, then it is the installer's responsibility to verify fitment.