If you are interested in keeping your motor clean from dirt and debris that the airbox misses, then K & N Filters are a must. Not only will they keep your motor clean, but they will also improve performance. The stock airbox is more restrictive then filters will ever be. Here's how we installed K & N's on our 2003 F7:
*NOTE: ECU will have to be relocated. Click here to see what we did.
Approx. Time: 30 Mins
*Tools and Hardware Needed: (Part Number: SN2590)
1 - Plain Screw Driver
1 - Phillips Screwdriver
Step 1:
Remove ECU Unit. (Unplug from wire harness, and remove screws. Set ECU on counter until later.)
Step 2:
Unplug Airbox Sensor From Wire Harness.
Step 3:
Remove Airbox.
Step 4:
Used Plain Screwdriver, and Gently Remove Airbox Sensor From Airbox. (Set on counter until later.)
Step 5:
Remove Air-Flow Director (Pull out towards front of sled.)
Step 6:
Lay Both Filters In Front Of Throttle Bodies, Pushing End Through Opening As Far As Possible.
Step 7:
Place PTO Side Filter On First, Turning Until Rubber Fits Good Over Throttle Body. Tighten Hose-Clamp.
Step 8:
Place MAG Side Filter On, Turning Until Rubber Fits Good Over Throttle Body. Tighten Hose Clamp.
Step 9:
Check To Make Sure Throttle Bodies Are Secure In Intake Manifolds.
Step 10:
Relocate ECU and Airbox Sensor (Click HERE to be transfered to the ECU Relocation page).
