Hfs-3 or 6
Hi I'm thinking of getting in on the group buybut want to know if I need the hfs-6. My motor is a 2.2ltr and makes 550 hp on c-16 race fuel. This is a multi usage car so mostly I use pump gas with boost turnd down to 12 lbs to prevent knock. It's intercooled. I don't use a MAF so fetures of the 6 system like the accumulator, map compesation and start flow point. Are these fetures needed and what are the reasons.
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