I'm going a different direction and have a brand new in box Wagner Intercooler kit for sale!

Details copied off the internet:

High-performance 255mm x 230mm x 105mm intercooler core that flows 6158cm³ air volume vs. OEM 250mm x 205mm x 65mm, 3331cm³ volume!
CAD / FEM optimized cast aluminum end tanks
Lightweight carbon composite intercooling ducts
OEM mounting points
39% more intercooler face area vs. OEM
98% larger airflow vs. OEM
New Bumper Intake Grill for high airflow, (OEM Fog light mounting)
2 intercooler (right and left side)
2 Carbon Fiber Air Intake Shrouds (right and left side)
1 6 piece Silicon Hose Kit including clamps