Reconfigured soundproofing for the 2022 Kenworth T680 now that its engine sound is more balanced in game update 1.55

Minor adjustments to the soundproofing for the International 9900i (closer to vanilla game setting).
New 1.55 SCS Game Archive Packer used for packing of the mod, which should result in better performance in 1.55.

Revised soundproofing for the Kenworth W900

Minor tweaks to the soundproofing for the Kenworth W900

Slightly increased soundproofing for the 2018 Volvo VNL

Revised soundproofing for the 2018 Volvo VNL

Added soundproofing for the 2024 Freightliner Cascadia

Merged some soundproofing settings from SCS Software to tailor to its engine sound mix for the 2019 Mack Pinnacle

Added soundproofing for the 2019 Mack Pinnacle.
The mod has also been converted to the HashFS v2 .scs file format for more efficient loading.

Further adjustments to the International LT soundproofing closer to SCS Software's setting