Save big money
Oh ya, I have those, huge improvement!
If you coast down a long grade while resetting your mileage computer you'll see improvements up to 60-70mpg!
It's the only time I notice the fuel mileage gains however? Definitely worth it though if you only drive downhill.
If you coast down a long grade while resetting your mileage computer you'll see improvements up to 60-70mpg!
It's the only time I notice the fuel mileage gains however? Definitely worth it though if you only drive downhill.
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