New Accent 4dr are essential. The air rushing into the engine is hot, but with an Intercooler Kit, it will be colder. Accent 4dr are an easy upgrade. Colder air is denser than hot air and an Intercooler Kit helps turbo and supercharged vehicles to produce more horsepower. Have a good time with Accent 4dr. An Intercooler Kit makes a big impression on others. Show off your new Intercooler Kit at your next meet.