Real retarder sounds for all trucks v4

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Version 3.0:
– İveco trucks new retarder and engine brake sounds added. – Have fun.
Version 4.0 – Daf euro 6 new engine brake sound added. – Renault magnum engine brake sound added. – Scania v8 engines engine brake added. – Nextgen scania l6 and v8 engine brake sounds added. – Renault t retarder sounds change.
Author: Voith,Kriechbaum
Credits: voıth,Kriechbaum