GM Service Manual Online
For 1990-2009 cars only

Exhaust System Clearances

Application

Millimeters

Inches

Front Exhaust Pipe to the Front Stabilizer Bar

37

1.45

Heatshield to the Converter

31

1.22

Intermediate Pipe/Resonator and the Splash Shield to the Fuel Tank facing the RH of the vehicle

37

1.45

Intermediate Pipe/Resonator and the Splash Shield at 55 degrees to the heat shield toward facing to the rear of the vehicle

48

1.89

Intermediate Pipe/Resonator and Splash Shield at 80 degrees to the heat shield toward facing to the rear of the vehicle.

24

.94

Intermediate Pipe/Resonator and Splash Shield at 225 degrees to the heat facing to the front of the vehicle.

43

1.69

Intermediate Pipe/Resonator and Splash Shield at 165 degrees to the heat shield facing to the front of the vehicle.

29

1.14

Intermediate Pipe/Resonator and Splash Shield 45 degrees to the RH of the Rear Stabilizer Bar

23

.90

Tailpipe to the Muffler

13

.5

Tailpipe to the Rear Fascia (Pontiac)

49

1.9

Tailpipe to the Rear Fascia (Oldsmobile Eighty-Eight)

24

.94

Tailpipe to the Rear Fascia (Buick LeSabre)

29

1.14