Audi A4 S-Line / S4 B9 Rear Diffuser – Prepreg Dry Carbon Fiber (2020–2021) Shipping Option:Air Freight (1-2 Weeks) OPTIONAL: Add (4) LED door

OPTIONAL: Add (4) LED door puddle lights that project the Infiniti logo on the ground when you open the door

100% Pre-Preg Construction - Vacuum-dried pre-impregnated carbon fiber ensures superior strength and consistency

Use threadlocker during install

Premium Bull Boost Performance AN6 valve cover vacuum adapter

1991 Nissan 240SX S13 LHD

Audi A4 S-Line / S4 B9 Rear Diffuser – Prepreg Dry Carbon Fiber (2020–2021) Shipping Option:Air Freight (1-2 Weeks) OPTIONAL: Add (4) LED doorIf you're building your B9 the right way, the rear end matters just as much as the front. This Prepreg Dry Carbon Fiber Rear Diffuser is designed to give your Audi A4 S Line or S4 a sharper, more aggressive finish that completely transforms the rear profile. The 3D contoured design adds depth, dimension, and true performance inspired styling giving your build that finished, high end look it deserves. Crafted using advanced prepreg dry carbon