Mishimoto 06+ Honda Civic SI Manual Aluminum Radiator

This Mishimoto performance aluminum radiator is what you get when you want to upgrade the stock cooling system in your 2006-2011 Honda Civic Si. It's built to help keep your engine running cooler and more efficiently, which is key to preventing overheating, especially if you push your car a bit harder.

You're getting a full aluminum construction with a two-row, 1.57-inch thick core that's brazed for efficient heat transfer. The end tanks are polished for a clean look in the engine bay, and they're TIG-welded for a solid connection. This lightweight design not only enhances cooling but also contributes to the overall performance and longevity of your engine.

Mishimoto backs this radiator with a lifetime warranty, and they also offer a compatible hose kit for your 2006-2011 Civic Si if you're looking to further improve your cooling efficiency.