Takumi Project Aero Bonnet 極KIWAMI H-CFRP type *Version Ⅰ [For WRX STI(VAB)/WRX S4(VAG)/LEVORG(VMG/VM4)]
JPY 379,500
Additional information
<極KIWAMI>H-CFRP type *Version Ⅰ
Full carbon specification (front/back hard carbon)
Takumi Project Aero Bonnet [For WRX STI (VAB) / WRX S4 (VAG) / LEVORG (VMG/VM4)]
Developed with the theme of “Strongest specification for the street,” this vehicle-specific aero bonnet combines performance with a focus on lightness, strength, and aerodynamic design, with a beautiful appearance, matching the body line, and quality such as a waterproof structure that prevents rainwater from entering without the need for a cover.
Lightweight, strong, and of overwhelming quality. Takumi’s ” HARD CARBON ” material
“ HARD CARBON” is a third carbon material that is made by laminating resin-impregnated carbon cloth in a special mold and applying heat to increase its strength. The biggest difference from standard carbon (wet carbon) is that the composite material does not use glass fiber, but is 100% carbon fiber. Furthermore, the resin is not the same as conventional polyester, but is molded using a special product with thermosetting properties that was jointly developed with a manufacturer.
Takumi Project’s aero bonnet uses this new carbon molding technology to achieve both performance (lightness and strength) approaching that of racing-spec dry carbon, and quality (beautiful appearance and high precision) suitable for a commercial product. It has been finished as the strongest specification for the street, with no blind spots.
Waterproof design prevents rainwater from entering without a duct cover
The problem with bonnets with cooling ducts is that they are vulnerable to rain.
Takumi Project’s aero bonnet is designed to prevent rainwater from entering the engine compartment without a duct cover. The backbone with a return acts as a rain gutter, smoothly draining rainwater that enters through the duct out of the engine compartment. Not only can you park your car in the rain, but you can also use a car wash. It’s a stress-free design that prevents your engine from getting wet.
*Rainwater that seeps in through the air duct passes through the backbone and is drained through the drain hole at the tip of the hood.
The backbone is also made of light and strong hard carbon. Areas where stress is concentrated are reinforced with honeycomb.
The carbon fiber used in the Takumi Project Aero Bonnet (H-CFRP type) is 3 plies on the front and 2 plies on the back, for a total of 5 plies. The back bone is also made of lightweight and high-strength hard carbon.
In addition, honeycomb is sandwiched in the areas where stress is concentrated to increase rigidity. The weight is about 6kg (3kg lighter than the original), and the structure can withstand the wind pressure of circuit driving. *Hood pin installation is recommended.
Aerodynamic design provides reliable cooling. The beauty of the design is also unique to the craftsman.
A hood does not provide cooling effect simply by providing air vents.
The “inlet duct” of the Takumi Project aero bonnet is a NACA duct shape that efficiently draws in the wind while driving by using negative pressure. On the other hand, the “outlet duct” creates negative pressure with the lip (protrusion) on the side, and forcibly expels hot air from the engine compartment.
The inlet duct is fitted with a mesh net to prevent flying stones from getting sucked in, and the damage-resistant baked-on paint keeps the duct looking beautiful.
The carbon fiber has a varied design, with 3K on the front and 6K on the back. Furthermore, no other carbon bonnets have been produced other than those made by Takumi Project that have such a complex, undulating shape, delicately and perfectly finished by hand layup.
Genuine parts can be used. Installation is also very smooth.
Takumi Project’s aero bonnet is designed to follow the original layout , allowing highly reliable original parts (inlet duct guide *1 , bonnet damper, catch, etc.) to be relocated as is.
The bonnet damper has a reinforcing plate at the mounting area, allowing it to provide the strong damping force of the OEM specification. A special adjustment plate is also available to make it easier to “align” the damping force during installation.
*1. Installation of the genuine inlet guide requires minor modification to the guide side. For details, please see the “Installation Instruction Video https://www.youtube.com/watch?v=Wmm4MHqBUFo”.
*2. It cannot be used in conjunction with an external radiator panel, or modification may be required. The Takumi Project air intake guide can be installed.
*3. Although we have taken great care to ensure rigidity, including the catch part, we strongly recommend using it in conjunction with a bonnet pin.
*4. In the case of a clear gel finish, the clear gel is UV-resistant, but it may become white and dull over time.
We recommend clear painting to further increase weather resistance.
*For clear gel finishes and clear paint, we recommend maintenance with wax approximately once a month.
Standard carbon and FRP types have the same cooling function and waterproof structure.
The standard carbon (CFRP) and FRP types also have the same cooling function that brings out the best in engine performance and a structure that prevents rainwater from entering without the need for a rain cover, just like the top-of-the-line hard carbon type.