Kook’s’ long-tube stainless steel headers for Mustang GT and Shelby GT350 come with either 1 ¾-inch or 1 7/8-inch primaries and three-inch collectors. Kook’s 2015-2017 Mustang GT and GT350 ...

Q:Why are headers a great bolt-on choice for Corvettes? A:They produce more horsepower and torque than factory exhaust manifolds. B:They create a more aggressive sound than factory exhaust manifolds.

The only option left was a set of custom-built, stainless-steel headers. Evin and Justin Veazie reached out to Jeff Johnson of Accurate Mobile Welding in Upland, California. Jeff, a certified and ...

Let's look at the materials used to manufacture the headers. Will you use mild steel or stainless steel? For the majority of the Saturday night racers they will pick headers made from mild steel ...