Gain a 106% increase in flow over the factory exhaust system! Dynatech® SuperMaxx stainless steel exhaust systems are engineered to give your Hummer H2/ Chevy truck/ SUV 6.0L Vortec maximum performance both on and off road. Designed to be a direct replacement fit for restrictive factory exhaust and catalytic converter systems, these systems are a great way to get that extra power you are looking for.
Instructions (PDF)