Off Road H-Pipe 3" Inlet x 2.75" OEM Outlet Non Catted 11-14 Mustang GT 5.0L 4V

The choice of an aftermarket axle-back exhaust is complicated. There are lots of choices. Kooks Performance Axle-Back Exhausts focuses on delivering the best of what you want to enhance your driving experience.

*Aggressive Performance Sound*
Our systems are all acoustically styled and engineered to match the make, model, and harmonics specific to your vehicle. Each system is designed to match the personality of a car and its owner

Started from grass roots drag racing in 1962, Kooks has become a prominent brand among racing and performance street car enthusiasts. Kooks has a diverse selection of headers and exhaust systems for a wide range of applications.

*Improved Horsepower And Torque*
Patented non-restrictive Straight-through design reduces back pressure and frees up additional power.

*Potential For Better Fuel Economy*
Less back pressure and more power means your engine functions more efficiently and that translates into better fuel economy

*Premium 304L Stainless Steel Construction*
The combination of 304L stainless steel construction and the fact that our systems don't use cheap easily degraded packing materials ensure your product will last.

*Limited Lifetime Warranty*
The combination of 304L stainless steel construction and the fact that our systems don't use cheap easily degraded packing materials ensure your product will last

*Included All Necessary Hardware And Full Color Instructions*
Our systems come with top quality Clamps, that are also 304SS, and instructions to make your install as simple as possible

*50 State Emissions Legal*
Since our systems are all designed to install rearward of the factory catalytic converter there are no emissions hassles. Just bolt it on and go.

*Handcrafted In The USA*