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Ships within 48 hours · Estimated delivery Sep 25 - Sep 30
5mm wheel spacers and (10) extended cone seat wheel bolts
most tuners will require upgraded port injectors
- 16 wheel horsepower and 25 wheel torque on 91 octane
we recommend our 10mm spacer kit that can be found here
Quality material that will outlast the life of your vehicle
Porsche Carrera 991 S GIAC Performance ECU Software Upgrade 135i/335i 5mm wheel spacers and (10)GIAC performance software helps you extract the maximum potential from your 991 Carrera S. Performance gains were measured at: 10 wheel horsepower and 12 wheel torque on 91 octane fuel Gains are as high as 20 wheel horsepower and 25 wheel torque at various areas in the powerband. Estimated crankshaft power output of 407 brake horsepower and 339 brake torque on 91 octane Additional performance gains will be observed with additional hardware such as an
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