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Discussion Starter · #1 ·
Start with secondary Cat bypass pipes.
Replaces the restrictive factory catalytic converters with much less restrictive straight-through pipes for maximum flow and performance.

Fabspeed's Secondary Catbypass for the Porsche 958 Turbo saves weight compared to the bulky and restrictive factory catalytic converters

Add a quick tune to receive an extra boost in HP and TQ.
Achieve maximum power gains and drivability without sacrificing reliability. Easily flash your Cayenne with a Fabspeed ECU Tune utilizing the included MyGenius handheld device!

Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your Cayenne's ECU and mail it in for a tune. The MyGenius device interfaces with the OBD-II port on your Porsche and your computer to complete the tuning process. (958.2 models still has to send your ecu in to be tuned)

This set up works for all cayenne models and gains will change depending on the model.
Please call for information.
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