Just looked. The thread was parts for sale and the original poster is no longer active. However, HoldenPartsUsa has them in stock and can inquire there to see if they're compatible with the G8. The listing is 14-17 Chevy SS Holden Logo Mud Flaps. Best of fortune.
This is a brand new top quality Precision Cut Premium Vinyl Decal. Shipping: • Free shipping using Economy Shipping. (does not provide Tracking info) USA only. • USPS First Class Shipping FLAT SHIPPING RULE. (All decals up 12 inches you purchase is $2.70 it provides Tracking info) USA only. • USPS