GM SPO Group Numbers. Buick Roadmaster 1996

For 1990-2009 cars

Application | GM SPO Group Number
--- | ---
Catalytic Converter Heat Shield | 3.690
Exhaust Muffler (w/Exhaust Pipe) | 3.701
Exhaust Muffler Crossover (w/Muffler) (Single) | 3.609
Exhaust Muffler Heat Shield | 3.705
Exhaust Pipe Heat Shield | 3.616
Exhaust Resonator | 3.702
Exhaust Resonator (w/Muffler to Resonator Pipe) (Single) | 3.702
Exhaust Resonator Hanger (RR) | 3.704
W/UP 3-Way Catalytic Converter (w/Exhaust Pipe) | 3.685