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This harness is completely Plug-N-Play and allows you to remove the IAT from the MAF assembly's on C7 Corvette Stingrays so you can place it closer to the throttle body for methanol-injected applications. This also breaks the barometric pressure sensor out of the harness in order to restore proper calculations in the ECM for pressure ratio on boosted applications.
IAT sensor and 3 Bar MAP sensor optional.