Takeda Retain Short Ram Intake System - Fits both coupe and sedan Retain is the Takeda Short Ram lineup. These intakes create simple, bolt-on horsepower that requires simple, quick installation and no bumper removal. Some of the short ram intakes include a wrinkle black heat shield. The research and development team test and develop intake systems that will produce the most horsepower and torque output possible. The in house engineering team performs numerous tests until they are satisfied with the results. The performance air filters are made in house in the USA. Quality, craftsmanship, performance, appearance, sound...nothing is compromised, everything is optimized. Takeda is overseen by Advanced Flow Engineering (aFe). aFe heavily emphasizes the engineering behind their products. Designing, researching, engineering, prototyping, testing, and production of all parts of the intake systems are done in house. Everything being done in house leads to higher quality control. Higher quality control leads to higher quality products.