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Flex sensor and E85 tune would be my stage 1 mod. Then CAI and Headers. Pulley would be last. The LT4 supercharger just hammers the tires with torque when you pulley down. Plenty of power to be made on stock boost with other mods and it will be more efficient.
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2016 NFG SS A8/Whipple 2.9/Fuel System/Flex Fuel |