Bully Dog 4inch-5inch Polished 304 Stainless Rolled End Angle Cut Bolt on Any 4inch Dia Exhaust

Exhaust systems are a great way to enhance the looks, sounds, and performance of your vehicle.

Accessorize the style of your exhaust system by installing an aftermarket exhaust tip

Bully Dog is at the forefront of performance ECU calibration technology for gas and diesel vehicles looking to add performance, tackle tough terrain, haul heavy payloads or tow trailers over long distances. Our calibration software platform adjusts key performance parameters to better respond to the unique demands you put on your vehicle, whether it's adjusting for tire size, axle lockers, throttle sensitivity or shift firmness. Easy installation using one of our advanced handheld programmers means quick, out-of-the-box access to better performance, added safety and improved fuel economy. Bully Dog also offers a precision-engineered, top-quality line of performance intakes, diesel particulate filters, manifolds and turbochargers to help vehicles run stronger and last longer.