street force headers competition headers truck force ... headers footnotes 1 this system uses 21/4 o.d tubing we recommend using either ... maximum flow or turbo mufflers in a 21/4 offset inlet/center outlet ... configuration see page 62for complete muffler information 2 ... front of the part number when ordering 3 factory 4 wheel drive4 exhaust systems ... header type hooker mufflers 5 not legal for sale or use on vehicles originally ... equipped with catalytic convertersfor racing purposes only 6 comes with h- ... pipe/balance tube assembly for racing purposes only 8 installation on ... pinto clutch cable assembly one link ford #d1fz-2861-aj and one adjustable clutch ... rod ford #dot2-7521-c 9 installation requires ... or #10926 right side on 1979 and later vehicles with short compressors use stock ...