Air discharge method (warning, must be properly discharged, otherwise the iat will become warm): Keep the cap opened, watch for bubbles coming up, have one person do the procedure in the car and have one person watching the coolant tank/add coolant accordingly as it goes down，Keep doing it until you don’t see bubbles anymore。Perform the purging procedure three times in succession, each time for about 10-12 minutes.
Please install the manifold correctly, the water pipe is above the in water, below the out water.And get the air inside out.
Please contact me by email or via facebook before you buy，Otherwise, no shipment will be made.（Prevent unauthorized transactions）
https://www.youtube.com/watch?v=KK0hAgsR2VQ
If you want to reduce IAT better, please buy additional heat exchanger.
The water pipe is above is in, below is out.（Please don't pretend to be backwards.）
Return rules: If a return or exchange is required, the buyer needs to notify us by email, and after the two parties reach an agreement, the item needs to be sent back to us, and the buyer shall bear the shipping cost.
