So been hitting up the video collection, got a new one and the team goes to check out and interview the fokes at apex kyoto.
great vid blah blah...nice GTR...blah blah blah
then they go "this car does not feature a roll cage but urethane injected frame"
I was

whats this guy talkin about?!?!?!

but I look and yeah just like he says the rocker is shot up and he pulls out a canister about a liter or two in size and says "this is all it takes to do an entire car"
They didnt go that extensive into the whole deal and yet I want to know more... cost effective? yeah if you know what your doing... but how common is this?
IS THIS JUST AS GOOD OR BETTER THAN A CAGE?
opinions/thoughts/flame-age... I like to hear back from all of yall, I find this to be rather interesting... because it really that good?
