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Billet 5/16 Quick Connect Adapter Fitting
and higher ethanol blends
Visconti X58 Flex Fuel Sub Harness
There is no need to define CAN IDs
Required to reach ASTM conformance certification
2015+ STI SD KIT Style:(Kit A) Speed Density Billet 5/16 Quick Connect AdapterSpeed Density is a must for those with high powered Subaru's or anyone that wants to use a vent to atmosphere blow off valve. When calibrated properly there is no sacrifice in drive ability, your car will drive just like stock. But to properly calculate SD Based fueling you'll need to move the air intake temperature sensor from you pre intercooler location to a post intercooler location. This kit allows you to move the intake air temperature sensor
