This plug and play air intake system unlocks 7-10hp to the wheels from your gasoline C250 or E250 engine. In addition to the extra power throttle response and sound is dramatically improved, finally allowing you to hear your turbo spool up under heavy acceleration. The system is CNC machined from aluminum to avoid heatsoak, anodized black for a clean look, and includes a reusable K&N high flow filter. In addition the OEM cold air intake tube remains fully functional. Install takes only minutes and is fully reversible.