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boosting horse power

908 views 4 replies 3 participants last post by  AA430 
#1 ·
There is a place out here in CA that offers new pulleys and for my 1999 will change the intake so that the air flow sensor is in a better location. Does anyone know about this? They claim to boost hp to 232 and torque to 239. Does anyone know what the affect on engine mileage or smog or reliability is?
 
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