GM Service Manual Online
For 1990-2009 cars only

Application

GM SPO Group Number

Exhaust Manifold Pipe (Diesel)

3.609

Exhaust Muffler

3.701

Exhaust Muffler (w/Exhaust Pipe and Tailpipe) (Diesel)

3.701

Exhaust Pipe

3.609

Exhaust Pipe Hanger

3.616

Exhaust Tailpipe Hanger (RR)

3.706

Muffler Tailpipe

3.705

Three-Way Catalytic Converter (w/Exhaust Manifold Pipe)

3.685