The perfect choice for a variety of vehicle styles and engine applications from small engine sport compact to late model muscle cars, Flowmaster's DBX mufflers utilize cutting-edge Laminar Flow technology drawn from both the HP-2 and Pro Series muffler lines to provide maximum performance and deliver a sound quality like no other. The key to its superior performance and smooth refined tone is the core design which maximum exhaust efficiency, while at the same time minimizing interior drone. The laminar flow internal core helps speed up the exhaust pulses as they travel through the muffler, resulting in better throttle response and more power throughout the RPM range. The 3.5-inch internals make sure this versatile muffler can handle anything that is thrown at it.