You could let it vent to air or give it it's own pipe to exit out. I'd just plumb it into your existing exhaust system myself.
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1968 Corvette 12v Cummins Compounds 47RH
1976 K30 CC SWB 12v 47RH
2000 Excursion VE 24v 47RH 4x4
1972 K30 Longhorn P-Pumped 24v 47RH Compounds
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