Grand Prix V8-5.3L (2007)
2. Align the muffler tail pipe centerline (1) to the rear fascia (2).
±2 degrees rotational angularity in relation to horizontal.
3. Align the muffler tail pipe (2) height (3) to the rear fascia (1).
35 mm (1.38 in) to 45 mm (1.77 in) (maximum allowable difference of 3 mm (0.12 in) between left and right tail pipe).