Canadian Liftback or US Sedan Guages in USDM Liftback?

[dansides]

www.autometer.com found these gauges that have peak an warn functions! was thinking about installing a 3 1\8 in tach in center of left glove box an then put 1 2 1\16 gauge on ea side maybe install into existing box door or remove door an build a unit to mount in space. any one done this may also install scan gauge in same area need input