sterns

Hi all.
Saw this video some time ago, and fell in love with the car.

I know antilag is a bit un-needed for an everyday car, so no chance of that.
But does anyone have any idea's on what exhaust this is from the video

Fabien Vericel's Classic
Subaru GC8 Mountain Pass

Im a little bored with mine, and I dont think its loud/mean enough for me.(if you know what I mean)
Ive got a decatted Tanabe which is very loud and does get a little raspy on full chat.
Brothers scoobysport on his wagon is nice, but not exactly what im after.
Im after the more 'rally' sound.

god im crap at explaining
cheers

Tony