- 3″ Outlet Design
- Drastically Improves Mid-Range Power
- Cast T-304 Stainless Steel Construction
- Fits 9th Gen Civic Si and Acura ILX
- Upgrade your 2012-2015 Honda Civic Si or 2013-2017 Acura ILX with the Skunk2 Alpha Series Header, designed to bring race-inspired performance to your daily driver. Featuring a large 4-inch bellmouth and a 3-inch outlet, this header is crafted from high-quality cast stainless steel, ensuring exceptional heat resistance and durability. The one-piece design eliminates the need for a catalytic converter, allowing maximum airflow and power gains. Heavy-duty ½-inch thick flanges provide a secure, leak-free connection, while the stainless steel braided flex section ensures long-lasting performance under extreme conditions. Please note this header is designed for off-road use only. This Alpha Series Header is built for seamless integration with your vehicle’s OEM setup, using factory mounting points for O2 sensors and a direct bolt-on fit to the OEM exhaust cat-back system. The precision CNC mandrel-bent T-304 stainless steel construction ensures smooth airflow, further enhancing engine performance. With no modifications needed, this header offers a hassle-free installation and comes complete with a defouler to keep your engine running efficiently. Unlock the full potential of your Civic Si or ILX with Skunk2’s race-proven design, now accessible to enthusiasts at an affordable price.
- 2013-2017 Acura ILX2012-2015 Honda Civic Si
- Cast Stainless Steel Construction4″ Bell Mouth Top Opening3″ Exhaust Opening1/2″ Thick Flange
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