I had a look at the helix but it looked like the way it was designed would not be good for flow. That why I went with the ams ic it was the end tanks that I was sold on. Coming from an automotive background it looked like the best one on the market. If you take your car to a good shop for install go with the ams ic. Don't be afraid to cut the rad support once the bumper is on you will be fine.
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