Originally Posted by
cossie4i
When i phoned Matt i did ask what exhaust housing was fitted and i was told a .63.
Also said they would take any T3 as the exchange.
Steve
they were talking shit, the t34's come with a .55 unless its a brand new escos one or you pay the extra for a .63, also the TT ones for a sierra have a modded comp cover that takes a standard size airfilter hose

they do normally take a T3 as exchange though as you said.