Express 2500 V8-4.8L (2007)
1. Install the muffler assembly from the front of the vehicle by lifting over the rear axle. Due to the weight of the exhaust system it may take 2 people.
2. Install the muffler assembly hanger pins to the exhaust hanger insulators.
Notice: Refer to Fastener Notice.
3. If equipped with a 4.3L engine, install the retaining nuts and new gasket to the front of the muffler.
Tighten the catalytic converter to muffler retaining nuts to 48 N.m (35 lb ft).
