Here's a installed pic of the one you've got if it helps.do to the jap instructions. (this is the older version without that extra bracket)

This second one isn't that good but shows that extra bracket (just need to make pic a little bigger)

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221.7KW-ATW 498.5NM MMS ROLLER DYNO & BUILT BY STi NINJAS, BUILD #318/600

EBISU SUBARU, SHIBUYA-KU TOKYO