I got two here, if you have any aswell do share.
Better tyre skidmark:
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Using tyremarks1_ALP.dds as RACELINE_ALP.dds ; you copy paste and rename it (or download from link)
https://drive.google.com/file/d/0By5BVPPFZgIIczV6MElsemFrUFU/view?usp=sharing
Better(HQ) autocross barriers:
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Using the barrier texture from ROKbarrier2.dds (you would have to lasso it with photoshop and copy and paste it as a layer) into AX_BARRIERS.dds (or you can download the file from below)
https://drive.google.com/file/d/0By5BVPPFZgIIY1FKT2wydTZBdWc/view?usp=sharing
Better tyre skidmark:


Using tyremarks1_ALP.dds as RACELINE_ALP.dds ; you copy paste and rename it (or download from link)
https://drive.google.com/file/d/0By5BVPPFZgIIczV6MElsemFrUFU/view?usp=sharing
Better(HQ) autocross barriers:

Using the barrier texture from ROKbarrier2.dds (you would have to lasso it with photoshop and copy and paste it as a layer) into AX_BARRIERS.dds (or you can download the file from below)
https://drive.google.com/file/d/0By5BVPPFZgIIY1FKT2wydTZBdWc/view?usp=sharing