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 Retain series short ram intake for the 04-10 Mazda RX-8 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 RX-8 more usable power and torque response in daily and real-world driving situations. Takeda has measured gains up to 7hp and 8ft/lbs of torque with their Retain series short ram intake system alone. Takeda intakes come complete with all installation hardware as well as step by step photo instructions for a simple bolt-on installation.