Cummins N14 Sound update W900

Cummins N14 Sound update for W900 for ATS

Update of the Megapack sound mod for the W900 by SCS.

Here’s the changelog :

Update 2.1 :
-Added sticks and air sounds for parking brake.
-Cummins N14 interior sounds low rev’s reworked.
-Cummins N14 totally new exterior sounds.
-Cat 3406E Changed jake brake for a real one.
-Paccar Remove an unnecessary 455 hps engine (there were twice the same engine).

Note that this sound pack also includes the Cat & Paccar engines sounds.
The Peterbilt 389 will have those sounds at its next update from Viper2.