Make sure your getting the proper frame/bike.
Usually identify The air spring sxt as the 4x bike with less travel.
A rugged and purpose-built variation on the classic All Mountain design, the Enduro SX is nimble & quick with 4.2" (about 106mm) of rear wheel travel. Perfect for busting out of slalom gates.
See here
https://www.specialized.com/bc/SBCBkModel.jsp?arc=2007&spid=22013
Otherwise why? I would not want to use a dhxair. You already know how the performance of the DHX coil is superior.
Usually identify The air spring sxt as the 4x bike with less travel.

A rugged and purpose-built variation on the classic All Mountain design, the Enduro SX is nimble & quick with 4.2" (about 106mm) of rear wheel travel. Perfect for busting out of slalom gates.
See here
https://www.specialized.com/bc/SBCBkModel.jsp?arc=2007&spid=22013
Otherwise why? I would not want to use a dhxair. You already know how the performance of the DHX coil is superior.