Made some intake pipes for my 964 intake out of PAHT-CF. Wanted to test the strength. Put a 3.25" (82mm) diameter pipe with 3mm walls into my vice and cranked the daylights out of it. Compressed into an oval 1/2 the diameter without a crack, and when I took it out it rebounded close to the original shape with barely a mark on it.
Then I cranked it until it broke. At about 1.5" (40mm), it finally broke.
Amazing stuff.
