Originally Posted by _ink
looking at this:
I think i prefer the HPF as it integrates the factory couplers, the AME does not it seems.
Also has the extra support brackets to support weight.
Factory couplers are smaller so not necessarily better (by memory oem are 2.5" -2.75" AMS is 3" and the brackets to support weight may indicate that its a heavy item, no use weighing down the car with a huge fridge type fmic whilst running 300-350WHP
I would like to find stat's on weight though! The AMS weighs 11.5KG, I wonder what the HPF weighs in at??
I like the ETS replacement piping: