Air box seal.

[OB_Malcolm]

Check that your air box seals (foam left and right side) are seated properly, as my left one had folded over in the passage way and not only obstructed the air flow but left a gap into the engine compartment. I duct taped around the seal and to the frame to ensure that it didn't happen again.

 

[OB_Earl]

Good idea !! Thanks. I guess every manufacture has quality assembly problems.