Ah, foggeddabouddit. Cats are awesome (and maintenance-free) but that's not actually my point
You're right, the dash must be mostly removed to get the combo switch out. With the steering wheel off, if you remove the screws that hold the upper and lower shrouds together (around the column) you might be able to get enough room to remove the combo switch though...
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1990 5spd V6 Camry (Still kicking at 393,000km) 1991 Celica GTS -- Pappa needs a 3SGTE...and AWD for all this friggin' snow
Honda my A$$, you just can't kill a Yota...