A Mishimoto performance aluminum radiator is the ideal upgrade to the stock 2006-2011 Honda Civic Si radiator.For a cooler more efficient running engine, all Mishimoto radiators are designed and engineered to maximize cooling, boost engine functions, and most importantly prevent your car from overheating.Made with 100-percent brazed aluminum and polished end tanks, this lightweight two row core radiator will enhance the overall performance and lifetime of your engine.All Mishimoto radiators are backed by a lifetime warranty.Check out the 2006-2011 Civic Si hose kit, for even greater cooling efficiency.

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