Mine is very similar to that one. I found the best way was to remove the metal hinge, clean both surfaces thoroughly, and stick it on with foam/rubber double sided tape.
My holds 3 x 60mm defi's, and has never budged.

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Signarape!

how do you remove the hinges?? is there a way to take the whole compartment off??

Pay the extra and get a quality one that clips straight into the existing clips, comes pre-painted to match the factory dash... thus makes the whole thing look like it is factory ; )

Got mine from Troy at...

http://www.prospeedracing.com.au/cat...Gauge-Holders/

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GROWING OLD IS INEVITABLE, GROWING UP IS OPTIONAL!!!

clips?

GC/GF
GD
Not same same

Use double sided tape.

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Signarape!

or buy the genuine subaru item with either the new liberty sti defi din or the normal sti defi din

Genuine unit fits in oem location and has locator screw at the front which holds the whole thing together. As blue.spec mentioned, you can then utilize a din triple gauge such as the defi unit.

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www.racewars.com.au

Damn. everythingz been purchased already...

Bah well, double sided tape it is....