The Liqui Moly Diesel Intake System Cleaner Combo Pack is a high-performance treatment kit designed to restore engine efficiency, improve combustion, and enhance acceleration in all diesel-powered vehicles. This premium duo includes the Pro-Line Diesel Intake Cleaner and Speed Tech Diesel Additive, delivering a complete cleaning and performance-boosting solution. The Pro-Line Intake Cleaner removes stubborn carbon, soot, and residue from the intake system, throttle valve, and airways — helping to reduce fuel consumption and restore stable engine performance. The Speed Tech Diesel Additive boosts responsiveness and acceleration under partial load, ensuring smoother, more powerful driving. Safe for all diesel engines, including those fitted with turbochargers and catalytic converters.

• Complete diesel system cleaning and performance enhancement kit.
• Pro-Line Diesel Intake Cleaner removes carbon buildup from intake, throttle valve, and airways.
• Improves engine performance, combustion, and fuel efficiency.
• Speed Tech Diesel Additive enhances acceleration under partial load.
• Safe for all diesel vehicles, including turbocharged and catalytic converter systems.
• Helps restore throttle response, reduce deposits, and improve drivability.
• Suitable for routine diesel maintenance or targeted performance restoration.