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HKS Exhaust Systems :: Back to Home Page :: Apexi | DC-Sports | Greddy | HKS | Pace Setter | Tanabe | Thermal | Specials Increasing the amount of exhaust flow is the first progressive step to increased engine performance and efficiency. The factory exhaust system represents a restriction in the stock configuration. By designing a system that increases the mass and velocity of exhaust flow, it allows for a reduction in backpressure and thermal stress, thus unleashing the engines’ potential for increased power, torque and responsiveness. All HKS exhaust systems are engineered with performance, quality, and value as primary goals. Through countless comprehensive efforts of flow analysis, dyno testing and tuning are we able to maximize horsepower gains throughout a board powerband, while maintaining reasonable sound levels for street use. HKS Exhaust Systems that are designated for street use retain all factory emissions equipment and conform to the California Vehicle Code 95-decibel exhaust noise level limit. (Note: Some HKS exhaust systems are designated for Off-Road Use Only and are solely to be used for Off-Road purposes) Each HKS Exhaust is vehicle specific. In some applications where multiple systems are offered, each system is even more specifically based on an application’s level of tuning; e.g. Sport, Turbo, Drager, Hiper, and Racing systems, respectively, have increasing pipe diameter sizes and flow characteristics. Engine and chassis configurations are individually analyzed to ensure that each application is specifically tailored and not universalized. Each HKS system features high-quality mandrel bent, bake-coated aluminized steel piping, which allows for smooth consistent exhaust flow throughout the entire length of the system. Piping diameter is also crucial to the characteristics of exhaust flow and is specific per application. Because of the consistent pipe diameter in all the bend areas from the mandrel bending process (as opposed to the crimps or kinks from a press-bent process) there is less restriction and turbulence which increases exhaust flow velocity. Muffler design is also application specific because they each have their own particular flow-characteristics. The Sport, Turbo, Drager, Hiper, and Racing Muffler share similar qualities, but are not identical. While most HKS mufflers are of a straight-through design, some non-turbo applications utilize a chambered muffler design to achieve maximum horsepower and torque gains. Varieties of tip designs are utilized on HKS exhaust systems; refer to the application chart for each specific system. HKS exhausts systems are designed for direct bolt on fitment to the stock flanges and come with all the necessary gaskets and hardware to provide simple installation and long term durability. All HKS exhaust systems utilize a micro-fiber mesh sheet wrapping around the internals of the muffler tube to prevent muffler packing from escaping over time, thus increasing the durability of the system. HKS Full Stainless Steel exhausts system applications also now come with an extended 4-year warranty. Application List Hi-Power Exhaust Drager Exhaust Drager II Exhaust Carbon-Ti Exhaust Titanium Racing Muffler Exhaust Turbo Exhaust Sport Exhaust Universal Stainless Hi-Power Muffler Universal Titanium Race Muffler Downpipe Inner Muffler Silencer |
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