The MB factory one for my GTR was about $4k. BBi on order for the GT3 even less. Porsche is pretty proud of this one. Was thinking it was carbon at that price until I read the details.
https://www.suncoastparts.com/product/bbi992rollbar.html
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Someone said the carbon version is about 40k.

 

How or why is that expensive?

 

When it is 2.5x higher than a Factory Mercedes version and over 3x more than aftermarket. All about the same design and materials.

You don't think that a $10k harness bar is expensive?

 

All things considered, no.

 

costly yes, expensive? depends on your perspective.

 

What does this even mean?

 

my friend @ipse dixit is a man of few words but the ones he does avail himsef of, carry deep deep meaning.

 

Your wallet and your money. Pretty expensive compared other products that are the same and in the market place. If you want to pay that Porsche tax then make yourself happy.

 

It's a rear half-cage rather than a harness bar. It reinforces B-pillars, C-pillars and roof. The Mercedes one has like 1/4 of the material of this one and offers minimal reinforcement - it's all in one flat plane, so pretty much just a harness attachment bar. Very different products. But both are quite overpriced compared to aftermarket.

 

Yes, that's $$$$. BBi bar is a great choice.