air to water is much easier to install. you need 2 hoses, a pump, the front mount, and the ic itself. i used 2 90's to come off the ic inlet and outlet, than ran the clear hoses under the spark plug wires by the coil packs, than down to the pump and front mount. i have pics here somewhere just gotta find them.
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Current:
2004 Dale Jr Monte SS
Old:
01 3.2 intercooled GT RIP