Gibson Cat-Back Super Truck Exhaust System Stainless Fuel Filler Door 810" outer diameter while reducing

810" outer diameter while reducing the outer diameter of the valve guide to

Transmission fluid

(1) AN-08 to (2) AN-08 Male Flare Y-Block

1971-1973 International 1310

2008-2012 GMC Savana 2500

Gibson Cat-Back Super Truck Exhaust System Stainless Fuel Filler Door 810" outer diameter while reducingYour truck deserves a super serious Performance Exhaust System. Gibson Super Truck Exhaust System offers a loud deep powerful sound with dual tailpipes that exit in front of the rear tires with Stainless Tip. You can expect a race rumble tone with improved acceleration and increased horsepower gains. Typical dyno tested horsepower gains average 10 15 and 15 20lb ft of increased torque. Hassle free, bolt on installation. No welding required. Backed by