Fuel Supply & Treatment. Intake & Exhaust System. Don’t let your N54 performance disappear into thin air. The front mount intercooler makes a good thing better with improved air flows and faster heat removal. This oversized cooler bolts on in place of the factory original, and has been thoroughly tested in both stock and performance tuned engines. We testing indicates that the free-flowing bar and plate design reduces internal pressure loss, while its larger external dimensions move more heat to the atmosphere. Doesn’t come with installation instructions. As you may know these are after market parts. We recommend professional installation Only.