Takeda combines years of research, cutting edge design and advanced in house testing facilities to develop some of the best performing and most versatile sport compact intake systems available. The Takeda Attack series cold intake for the 06-10 Honda Civic Si features zero-memory polyurethane couplers and clear coated and mandrel bent polished aluminum piping for an intake that provides power as well as eye catching good looks. Every Takeda intake is capped with their top of the line ProDry S dry flow oil-free synthetic media filter for the ultimate in convenience, performance and engine protection. All Takeda intakes are flow tested and dyno tuned in house with an emphasis on mid-range power, giving your Si more usable power and torque response in daily and real-world driving situations. Takeda has measured gains up to 21hp and 23ft/lbs of torque with their Attack series cold air intake system alone. Takeda intakes come complete with all installation hardware, step by step photo instructions and a synthetic pre-filter for added protection when driving in wet conditions.