K Series Header Downpipe Civic Si FG 2012+ & Acura ILX K24 9th Gen Introducing the high-performance K Series Header Downpipe, designed specifically for the Honda Civic Si FG 2012+ and Acura ILX K24 9th Gen models. This exceptional aftermarket upgrade takes your vehicle's performance to the next level, offering a blend of power, efficiency, and style. Crafted with precision engineering and constructed from durable materials, the K Series Header Downpipe optimizes exhaust flow, resulting in improved horsepower and torque gains. Its carefully designed design ensures maximum airflow, enhancing the engine's efficiency and unleashing its true potential. Installation is made easy with a direct bolt-on design, ensuring a hassle-free process for enthusiasts and professionals alike. The K Series Header Downpipe is engineered to fit seamlessly with the stock exhaust system or aftermarket setups, making it a versatile choice for customization. Experience the thrill of enhanced performance and head-turning aesthetics with the K Series Header Downpipe for the Honda Civic Si FG 2012+ and Acura ILX K24 9th Gen. Upgrade your driving experience and unlock the full potential of your vehicle with this exceptional aftermarket accessory. Vehicle Fitment: 2012 - 2015 Honda Civic Si 9th Generation Civic FG4 2013 - 2015 Acura ILX Key Features: Includes 1 x 3 bolt gasket & hardware Made of 304 Stainless steel One year manufacturer warranty Includes O2 sensor &  wideband sensor adapters CNC machined manifold flanges Bolts directly to OEM cat-back exhaust, 0 mods required Casted OEM style 4.25 inch bellmouth design, with 3 inch outlet Mandrel bend tubing Flex Pipe