yes,its bolt on,it has the holes for the o2 sensors,there are plugs screwed into the o2 sensor holes,the o2 sensors arent included,just unscrew the plugs and screw in your o2 sensors.
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88 mustang hatch
holley 650dp carb,175 shot nos,3g alt,underdrive pulleys,strut tower brace,tko trans,bbk x-pipe,2 chamb. flows,jet coated shortys,urethane mounts,tri-ax shifter,moroso 7 qt pan,msd wires,sumped fuel tank,twin holley blue pumps,alum.driveshaft,axle brace,billet bearing caps,tru-trac diff,fms gears,solid pinion spacer,moser axles,smog pump delete,msd 6al,cobra brakes,roller thrust plate,f cam,stealth intake,ported track heat heads,lots of other crap i cant remember.