Flo Pro Performance Exhaust has been manufacturing and distributing only the most durable quality muffler and exhaust systems for your vehicle since 1981. Flo Pro specializes in complete Diesel Performance exhaust systems and exhaust components for Chevy GMC 6.6L Duramax Trucks. Flo Pro Performance Exhaust Systems increase horsepower and torque, improve fuel economy, lower EGT's (exhaust gas temperatures) and are constructed with only the most durable materials. Most systems are available in single or dual configurations, and are available in aluminized or stainless steel versions. Flo Pro Performance Diesel Exhaust Systems feature an exquisite attention to detail that will fit right the first time and will give you years of worry free performance. If you have any questions or if you don't see the system you were looking for, then please give us a call at (800) 823-4444.