yup, its a very good intake for mid to high power ranges .. i dont think you want that for your explorer... i've seen many dyno sheets and the power comes in around 3700rpm and up. Stock 5.0 HO intake outperformes it through 3500rpm
Comparison:
..................STOCK 5.0 INTAKE...............BBK SINGLE STAGE INTAKE
..................STOCK THROTTLE BODY.......BBK 75MM THROTTLE BODY
RPM............TORQUE....POWER................TORQUE...........POWER
1,600..........229...........70.......................222..................68
1,850..........238...........84.......................243..................85
2,100..........243...........97.......................246..................98
2,350..........246...........110.....................248..................111
2,600..........253...........125.....................253..................125
2,850..........271...........147.....................266..................144
3,100..........277...........164.....................279..................165
3,350..........286...........183.....................285..................182
3,600..........289:.........198.....................288..................198
3,850..........285...........209.....................292..................214
4,100..........280...........219.....................296 .................231
4,350..........273...........226.....................294..................243
4,600..........262...........230.....................291..................255
4,850..........253...........233 ....................283..................262
5,100..........238...........231.....................273..................265
5,350..........215...........219.....................255..................260
thats on a pretty stock built 306 in a 93 cobra, came straight from 5.0 Mustangs & Super Fords