s30vise Posted May 1, 2009 Share Posted May 1, 2009 My air pump is starting to sound like a coffee grinder. On my 72 240z i removed the stock exhaust manifold and replaced it with a MSA 6-1 header. (I know this has nothing to do with it but i wanted to put everyone on the same page) Now if i remove the Air pump will i run into any problems thanks for everyone input Quote Link to comment Share on other sites More sharing options...
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