Hello fellow Audi A4/S4 enthusiasts! OSIR Design is very excited to join your community. As many of you know we design and manufacture high quality carbon fiber body kits and accessories. We take great pride in fitment, finish, and support to assure you and your Audi receive the treatment you deserve.
We look forward to introducing many new products, support, features, and sharing information with you. We greatly appreciate any questions, comments, or concerns as your feedback is very important to us.
Our B8 A4 has come a long way since we first introduced the line. Here are a few photos and information to show its current state. Many of our A4 products will fit the S4 no problem as well as specific parts for the s-line and S4 already available and more coming soon.
1'M NOT A CAR
OS1R X L1ES ONE
The Government like the wall clean
Now the wall is empty
We like street art
Now a piece of art will run around the city






OS1R X L1ES ONE
The Government like the wall clean
Now the wall is empty
We like street art
Now a piece of art will run around the city






- The car has our complete line of carbon fiber parts fitted which includes: DTM B8 S4 Valance, Telson Spoiler, Side Skirts, M1 Mirrors, Mask, FCS, and FCS DF-1. All new vacuum infused final versions are arriving into the US now and new interior accessories to be released soon. Wheels are 20x9 ET30 Brock Model 21 in Schwarz Matte Poliert on 235/40/20 tires.
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