MAC 99-00 Mustang V6 1 5/8'' Direct Replacement Unequal Headers - CERAMIC COATED.
Heat Barrier Ceramic Coated 16ga steel mandrel bent 1 5/8" primary with 2.5" collector.
This is a Un Equal length header you will use stock header gaskets and bolts, studs and
Nuts for the collectors are provided.
This direct fit header will bolt to factory y pipe or Mac H pipe #34020 off rd, or Mac High Flow H pipe #C38200. This is a California Emissions header.
Mac #56103 01-04 is the same header without CA Emissions.
The ones with air injection are very easy to see when looking at the motor. There will be an air tube coming straight out of the primary tube closest to the radiator. On each side left and right header each have one.
MAC NO LONGER USES THE DURA BLACK COATING. ALL MIDPIPES AND CATBACKS ARE NOW INDUSTRIAL CLEAR ALUMINIZED COATED | 
\ 
