fair enough. bit of googleing suggests that there is a recirc adaptor for the std atmos one. seems a bit of a bodge to me compared to the forge recirc one.Sytner said:I was reading a book and spotted a picture of an Evolution VI (I think?) and it had an HKS recirculation unit on it according to the blurb.
recirc for sure. that's what the car is setup for. if you vent to atmosphere then air is going through the AFM but not the engine. your engine will be overfuelling.Sytner said:Now I am confused, what is best for performance, external BOV or recirculating?