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the snow kit will only improve mileage while towing.... it uses either egt or boost inputs to controll the injection... usually higher psi or higher egts... and to get higher psi and egts not towing you would have to run it harder... if u want the best mileage stay off the throttle hard....
towing most get 10-15 mpg with a meth kit you might see 12-17
towing most get 10-15 mpg with a meth kit you might see 12-17
