Executive order
D-374-3
Bassani Manufacturing
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| 531500 and 531503 | 1999 through 2003 model-year General Motors trucks, SUVs, and Hummer applications equipped with either a 4.8, 5.3, or 6.0L engine. Vehicles under the following test groups that are equipped with warm-up catalysts are excluded from this Executive Order: General Motors, 2001 model-year, 1GMXA05.3185, 1GMXA06.0188, General Motors, 2002 model-year, 2GMXA04.8183, 2GMXA04.8184, 2GMXA05.3185, 2GMXA05.3187, and 2GMXA06.0188. | The Xhaust Header is a pair of medium length exhaust headers and connecting pipes that is manufactured out of 14 gage mild steel. The oxygen sensor is installed in the new 12 inch connecting pipe that is welded to the catalytic converter, similar to stock. Part no. 531500 is for vehicles without air tubes, and part no. 531503 is for vehicles with air tubes. |