World Racing 2\AddOns\Autos\Porsche911\
This folder contains almost everything needed for an add-on car:
        - EditCar.car contains car physics and other settings for WR2 engine.
        - Logo.tga - manufacturer logo displayed in WR2 car selection menu.
        - Porsche911.mox - car body 3D model.
        - Porsche911.mtl - materials presets of carbody.
        - Porsche911_colli.cob - simplified car collision model.
        - Porsche911_r_hl.mox - rear left wheel 3D model.
        - Porsche911_r_hl.mtl - materials presets.
        - Porsche911_r_hr.mox - rear right wheel 3D model.
        - Porsche911_r_hr.mtl - materials presets.
        - Porsche911_r_vl.mox - front left wheel 3D model.
        - Porsche911_r_vl.mtl - materials presets.
        - Porsche911_r_vr.mox - front right wheel 3D model.
        - Porsche911_r_vr.mtl - materials presets.

World Racing 2\AddOns\Autos\Porsche911\Textures_PC\
        - *.ptx - all textures for car body and wheels are in this folder.

World Racing 2\AddOns\Autos\Porsche911\Driver\
        - Porsche911_dr00_1.mox - static driver model used in WR2 menu.
        - Porsche911_dr00_1.mtl - materials presets for 3D model.
        - Porsche911_dr01_1.mox - driver model without turning.
        - Porsche911_dr01_1.mtl - materials presets for all 3 models used in race.
        - Porsche911_dr02_1.mox - driver model turning left.
        - Porsche911_dr03_1.mox - driver model turning right.

World Racing 2\AddOns\Autos\Porsche911\Driver\Textures_PC\
        - *.ptx - all textures for car driver.

World Racing 2\AddOns\Autos\Porsche911\Cpit\
        - Arms01_Porsche911.mox - driver arms and drive wheel model.
        - Arms01_Porsche911.mtl - materials presets.
        - Cpit_Porsche911.mox - cockpit 3D model.
        - Cpit_Porsche911.mtl - materials presets for cockpit.

World Racing 2\AddOns\Autos\Porsche911\Cpit\Textures_PC\
        - *.ptx - all textures for cockpit.

World Racing 2\Motoren2\
Car sounds, ## means unique car ID set in EditCar.car.
        - m_ap_##_2000.wav - car exhaust sound at 2000 rpm.
        - m_ap_##_4000.wav - car exhaust sound at 4000 rpm.
        - m_ap_##_6000.wav - car exhaust sound at 6000 rpm.
        - m_ms_##_2000.wav - car engine sound at 2000 rpm.
        - m_ms_##_4000.wav - car engine  sound at 4000 rpm.
        - m_ms_##_6000.wav - car engine sound at 6000 rpm.
        - m_last_##.wav - car upshift(?) sound.
        - m_saug_##.wav - car downshift(?) sound.