No, friction decreases gas mileage. If you are talking about Friction motor treatment then it is just another in a long line of products claiming to increase mileage. None of them work, period.
No; friction decreases gas mileage.
yes
You'll want to look for a performance air filter. Basically these increase gas mileage by increasing air supply. The more air which is available and circulating, the better the overall gas mileage.
Yes, higher octane gas does give higher gas mileage for your car. However, the increase in gas mileage may not as great as the increase in the price of the higher octane gas.
Think of a car, friction causes air resistance on the car and results in lower gas mileage, but without friction, the tires would just spin in place and the car would not go anywhere.
No, it will decrease gas mileage.
No, not really. Any increase in mileage will be minimal at best. Far outweighed by the cost of the cold air system.
Spoilers decrease gas mileage. Spoilers are designed to create down force, which creates drag. The drag will increase gas usage.
There are some practical ways to increase the gas mileage but you can use also Fuel Infusion what is a powerful fuel catalyst. Fuel Catalyst realy helps to increase to boost your engine power and your gas mileage.
A dual exhaust system & or headers will increase fuel mileage but only slightly. Not enough to recoup the expense of the systems.
Cars don't get better gas or mileage.