Does adding a Flowmaster increase gas mileage?
Flowmaster 17742 Exhaust System Kit
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Open Mar 13, 2025 - 05:36 AM
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Mar 13, 2025 - 05:36 AM
Adding a Flowmaster exhaust system can potentially improve gas mileage, but the effect is often modest. By enhancing exhaust flow, it can increase engine efficiency and horsepower, which might lead to slight improvements in fuel economy. However, the actual impact on gas mileage can vary based on the vehicle type, driving habits, and other modifications.
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Flowmaster 17742 Exhaust System Kit
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations, 1973 to 1987 Chevrolet and...
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