Quote:
Originally Posted by jazclrint
Hello all. I have a 2012 Cadilac Escalade Hybrid. For its age and mileage, it's running pretty well and getting decent fuel mileage. But I'd like more, of course. I have aftermarket wheels, not by choice, but they are stronger as we tow with this truck. My wife's commute is 7 miles one way and the stupid road she drives is mostly 45mph with maybe a dozen stoplights from here to there. I can take the truck on a loop through town then onto the interstate and back through town and average 21-22mpg. She's getting about 17mpg on this commute. One GM SUV hybrid owner has suggested that if I put a K&N filter and an Aftermarket muffler on it I could get 2-3mpg better. My mechanic brother says no, you'd need a cold air intake kit and full exhaust.
What do you guys think?
Thank you for your time.
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also does it jerk when it switches from EV to gas?