they're fairly rare, but rare ≠ valuable
most anybody running a W2 combo is dialed to "kill" and that intake is more "stun", especially when measured against what's available for the W2 setup.
i guess if you were trying to be low-key and pass off as stock LA parts at a race or something, a piece like that would have some added value.
as they say: askin' ain't gettin'