If improving performance without sacrificing fuel economy is your desire, then the EMPI EPC 34 Dual Kits are the way to go. All Kits feature:
Aluminum Alloy Hex Bar with Steel Ball Ends - Sealed Aircraft Heim Rod Ends - High Flow Aluminum Intake Manifolds -Thick High Strength Steel Linkage Mounts - Gauze High Flow Air Cleaner Assemblies - Coil Relocation Mount - Brass Fuel Tee -Detailed and Illustrated Instructions
Distance from Base of Intake Manifold to Top of Air Cleaner is 9 inches. Supplied with spare jets.

EMPI # 47-7412-0                                                  MKR