wothout air filter
1. combustion no so perfect cos lotsa dirts
2. spark plug shelf life become shorter, and more deposit
3. risk of things like, small stone can enter the manifold and enter into the combustion chamber, and damage your piston, valves, etc...
just my 2cents...
1. combustion no so perfect cos lotsa dirts
2. spark plug shelf life become shorter, and more deposit
3. risk of things like, small stone can enter the manifold and enter into the combustion chamber, and damage your piston, valves, etc...
just my 2cents...