Ford Mustang 2011-2013 Long Tube Stainless Steel Exhaust Header 6" axle or GM 10-Bolt

6" axle or GM 10-Bolt

Speedmaster alternator brackets include all hardware to finish the job

They are designed to fit a variety of applications

Unlike our competitors that only use 3 or 4 pinion gears

Ford Mustang 2011-2013 Long Tube Stainless Steel Exhaust Header 6" axle or GM 10-BoltIncrease 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.