Executive order

D-540-5

Summit Industries, Inc.

Vehicle applications

No vehicle applications were preserved for this order.

Part records

Part numberModel/specificationModificationRemarks
See PDF1999 and older vehicles, See PDFThe Summit Industries, Inc.ÔÇÖs Thorley Headers are of a long tube style design. Installation may require the use of a connecting Y pipe. Both the exhaust header and Y pipe are manufactured out of 14 gage mild steel. On vehicles that are equipped with an oxygen sensor, the sensor is located either on the headerÔÇÖs collector or at the top of the Y pipe similar to the vehicles stock configuration.