Fitting without any modification to the M177/178 engine of the Mercedes C63 AMG W205 these Turbosmart Kompact Dual Port dump valves feature a hybrid structure with an internal piston adjustable in stiffness, operating quietly on low boost, avoiding unwanted attention, but vents to atmosphere on high boost in order to enjoy the blow-off valve sound. Offering reliability and responsiveness at any level of preparation, this high performance dump valve kit will bring a clear improvement in terms of response time, but also an aggressive dumping sound under full load and comfortable at low rpm !

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Direct mounting

Kit of 2 valves

Dual port structure 50% recirculation and 50% open

Adjustable internal piston

Aggressive sound

High quality aluminium structure

Black anodised finish

Mounting kit included

Made in Australia