Setting Up Your Mac 4 Port Boost Solenoid for More Power
If you're looking to push your car's performance and actually control your boost levels properly, the mac 4 port boost solenoid is one of those small parts that makes a massive difference. Most people start out with a standard 3-port setup because it's simple and it works for basic setups, but as soon as you start chasing higher horsepower or trying to manage boost across a wide range of gears, the limitations of those 3-port valves start to show. ...