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- EMD Auto lowering spring kit
as they can fail over time
Please select whether you have OEM or aftermarket wheels
Stock GTI core size: 24
or E40 (ethanol blend)
Porsche Carrera GT GIAC Performance ECU Software Upgrade 991 - EMD Auto lowering springGIAC performance software helps you extract the maximum potential from your Carrera GT. Peak power gains were measured at 19 wheel horsepower and 16 wheel torque on pump gas. Gains are as high as 25 wheel horsepower and 20 wheel torque at various areas in the powerband. Greater performance gains will be observed when using race fuel. Testing has also produced a 60 130 mph time of 6. 55 seconds. Other benefits to GIAC performance software include:
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