FR3 Friction Reducer 32 oz (FR3) by Hot Shot's Secret
100% synthetic oil additive to reduce friction and wear, improving engine performance and fuel economy. Customers note smoother operation and quieter engines, with some reporting fuel mileage gains
Highlights
- reduces friction in engines
- gas and diesel compatibility
- synthetic and conventional oil compatible
Pros
- reduces friction and wear
- compatible with gas and diesel engines
- works with synthetic and conventional oil
- potential fuel economy improvement
Cons
- mixed reviews on engine performance gains
- some reports of reduced oil levels
- varied customer experiences
Best For
Features
- 100% synthetic oil additive reduces friction and wear for gas and diesel engines
- Improves engine performance and fuel economy by reducing friction, up to 5 percent
- Compatible with both synthetic and conventional oils for a wide range of vehicles
- Diminishes lifter and valve noise and supports quieter operation
- Easy-to-use dosing: 1.5 ounces per quart of oil; avoid using with Stiction Eliminator and other aftermarket additives