"and after accelerating like that for 100 yds the brown PP9 up front is flat ..." 
Don't forget, that, at least here in the UK, a warranty claim is against the dealer, not the manufacturer and no matter how much the dealer squirms and says they can't get the cost back from the factory, that is up to them.
Quite how one enforces this, if the dealer does not want to accept their liability, I'm not sure, does anyone have any knowledge of this
