I have a Cayman S [
]and wish to fit a short shift gearchange, I've seen a few mentioned on other forums and know that there is a Porsche OEM item available but has anyone here had experience of the different brands. Some need enlarging of the pivot mount holes meaning it cannot be easily returned to original, others are claimed to be identical to the official Porsche item. But would fitting one of the other brands effect the warranty?[
]
The stroke reduction is often quoted as 20% or up to 35% different models may be different but up to?
The stroke reduction is often quoted as 20% or up to 35% different models may be different but up to?