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Skunk2 Alpha Race Header Civic Si (2006-2011)

Skunk2 Racing

SKU: 412-05-1930

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Collections: Civic, Civic Exhausts, Honda

Product Description

Skunk2 is proud to announce its all-new Alpha Series Header for the Civic Si. Patterned after their already popular and dyno-proven MegaPower Headers, Skunk2's Alpha Series Header employs many of the same design characteristics and technology. Their decision to produce the Alpha Series Header was driven by a desire to make their race-proven design more affordable and accessible to everyday enthusiasts. New manufacturing techniques allow it to be done at a lower overall cost, making race-winning header technology available to everyone. Skunk2's Alpha Series Header for the eighth-generation Civic Si offers Skunk2 performance at a price comparable to lesser budget-minded headers. Unlike the budget-minded headers, though, only Skunk2 Alpha Series Headers ensure precise fitment. All Skunk2 headers are designed and engineered to maximize exhaust flow and increase both horsepower and torque throughout the power band. The unique design is the result of more than a decade of racing experience coupled with computerized modeling and extensive dyno testing. Each header features equal-length, sequentially paired, stepped primaries and a 4-2-1 tri-Y design that terminates into a collector with a 2.5-inch outlet. These features, paired with Skunk2's unique design specs, provide an extremely broad power band that's applicable to a wide range of engine sizes and configurations. They also feature the smallest possible primary tubes required to achieve optimum overall and peak power. By minimizing the primary tubes' diameter, Skunk2 is able to maintain the highest possible exhaust gas speed throughout the header, which improves mid-range power and throttle response significantly. Skunk2's Alpha Series Header provides the perfect combination of top-end power without sacrificing mid-range performance or throttle response.

O2 sensor bung thread pitch: M18 x 1.5
Race application; eliminates catalytic converter.
Includes adapter flange, lower gasket, and mounting bracket.

Honda Civic Si 2006-2011

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