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M3 intake and spark plug...

801 Views 5 Replies 5 Participants Last post by  smg
What do you think about spark plug upgrade?
200$ for about 10 horses...not bad huh?

Has anyone have any idea about two intakes, GroupM and Dinan(will come out soon)?
Which one should be better performancewise?


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10 horses from spark plugs is bullsh*t......it may be nice but no 10 ponies....as far as the intake I have heard nothing but good things about the groupM, but Im just waiting to see the dinan stuff before I make up my mind.
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