Executive order

D-484

Mike Hamm Engineering, Inc.

Vehicle applications

No vehicle applications were preserved for this order.

Part records

Part numberModel/specificationModificationRemarks
1999 General Motors trucks equipped with a 4.8, 5.3, or 6.0 liter engineThe 2000 Series Headers is a pair of long tube style headers and a connecting Y pipe manufactured out of 14 gage coated mild steel tubing. The location of the oxygen sensor is at the collector in the connecting pipe, similar to the stock configuration.