This is a paid asset, but now you can download Stunt Race Track Ramp Pack for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
Detail this asset from Unity Store: Original Link
Stunt Race Track Ramp Pack v1.0
Here is the high-quality models designed for stunt racing games. This package includes rump models that suits for cars, motorcycles, bikes and other vehicles.
The package is compatible with mobile devices.
• Stunt garage model
• 9 Ramp models
• Collider meshes
• PBR high quality textures: diffuse, normal, specular
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