The benefits of our 4"system:

• Increased exhaust flow which eliminates the restrictive factory system
• Engine runs dramatically cooler
• More power and torque for towing
• Better fuel mileage, typically 1 MPG to 2-1/2 MPG
• We have been told of as much as a 3 MPG increase
• Clamp on or weld on installation using stock hanger locations
• Installation can be performed by the average wrencher with common hand tools
• Large variety of tips in chrome or stainless steel available for additional expense