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Engine, Exhaust, Transmission and DifferentialPost questions here that have to do with the engine, cooling system, air intake, exhaust, Transmission and Differential
This is a trick question since I have been driving like a crazy man since the tune and injectors.
I do mostly short trips city type driving. So far my best guess is about 2 mpg less.
I will have a more concrete answer as more milage goes by.