Where is the cheapest place to buy stock replacement K03s?
#12
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18psi on K04s will overwhelm your stock fueling, so if you cap it under 1BAR (14.7psi), you should be fine.
#16
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<ul><li><a href="http://shop.achtuning.com/index.asp?PageAction=VIEWPROD&ProdID=411">http ://shop.achtuning.com/index.asp?PageAction=VIEWPROD&ProdID=411</a</li></ul>