Executive order
D-167-33
Hedman Hedders
Vehicle applications
No vehicle applications were preserved for this order.
Part records
| Part number | Model/specification | Modification | Remarks |
|---|---|---|---|
| See PDF | 2006 and older GM V8 and V6 vehicles | The Exhaust Headers are manufactured out of 14 gage mild steel or stainless steel tubing, and are a shorty design except for 1995 and older vehicle applications which may include long tube headers. On applicable vehicles, the oxygen sensor is in the stock location at the collector and the stock connecting pipe is retained. |