Stock 500efi/ whipple upgraded map
01-28-2014 | 07:48 PM
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Stock 500efi/ whipple upgraded map
Has anyone done the whipple upgraded ecu reflash for the MEFI3? What pros/ cons have you found . I will be able to buy. 91 octane non- ethanol gas also. They claim more "performance" with a cleaner idol.
