Not that we need another intercooler debate but it depends on how you drive. Even at 400HP if you only hit the gas for 5 seconds at a time your fine. Most things stock are made to do an medium job at an medium price. But it's a heat sink that means like anything it takes X amount of time to heat up depending on the mass it has and depending on the flow characteristics of it and the car will maintain a certain tempurature on the airflow going through it. If you live in the south, modify your car or drive it like it's a rental then yes it's recommended.
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