From what understand, it is the opposite. The smog pump pumps exhaust FROM the H-pipe into the motor. Somehow the fumes are supposed to do some kind of black magic and allow it to burn off un-used fuel or something.
Anyway, you don't need it.....that's all that's important
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1988 5.0 notch: Previously never modified!!
SN95 block front and rear seats, Mac catback, BBK off-road H-pipe, Steeda castor camber plates, Steeda lowering springs, Tokico shocks/struts, Alpine/MBQuart/PPI audio mods...
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