This is a New Pair, Passenger & Driver Side Aftermarket Exhaust Manifolds for the Expedition, F150, F250 Pickup, & Navigator with the 5.4L Engine.FITS THE FOLLOWING MAKE/ MODELS:EXPEDITION 99-02 8-330 (5.4L)FORD F150 PICKUP 04 Heritage, 8-330 (5.4L)FORD F150 PICKUP 99-03 8-330 (5.4L).FORD F250 PICKUP 99 8-330 (5.4L)FORD F250SD PICKUP 00-04 8-330 (5.4L)FORD F350SD PICKUP 00-04 8-330 (5.4L)NAVIGATOR 99 (8-330, 5.4L), SOHC (VIN L)** Passenger & Driver Side, Pair **