Whether it's high grade aluminized, 409, or 304 stainless steel, we've got you covered! From our 7 inch resonators to our 50 inch side pipes can help you with any size fit for the sound you're looking for. Designed with maximum performance in mind, and maximum air flow. precisely placed pinches tune our drone-free no matter what horsepower engine you are running. PLEASE NOTE: When ordering mufflers from our website, the inlet will be expanded to fit the inner baffle size ordered.