VF Engineering Performance ECU Software for 2009-2011 Porsche 911 (Turbo/Turbo S) hydraulic-handbrake Yellow Speed Racing Pro Sport

Yellow Speed Racing Pro Sport Digressive Coilovers for the 1988-1993 BMW M5 (E34) are engineered to deliver exceptional handling performance with a refined balance of ride comfort

Tech Lowering Springs Vehicle 1996-2000 Honda Civic FWD Chassis EJ7 Engine 1600 Spring Type Progressive Ride-Height Adjustable No Spring Rates - Front 3

4 kg/mm (168 lbs/in) Spring Rate - Rear 4

Download the SP021 installation guide (PDF)

VF Engineering Performance ECU Software for 2009-2011 Porsche 911 (Turbo/Turbo S) hydraulic-handbrake Yellow Speed Racing Pro SportVF Engineering's Performance ECU Software unlocks a significant step up in power, torque, and throttle response for the Porsche 911 (Turbo Turbo S). Developed in house by VF Engineering's calibration team, this precision engine tune sharpens acceleration and drivability across the rev range while keeping the factory smoothness and reliability that make the 911 so usable every day. Each calibration is tailored to the Porsche 911 (Turbo Turbo S)'s