EMD Auto
eMMOTION 2017+ Audi A4/S4 (B9) Linear Lowering Spring Kit
from $ 280.00
PURE Carbon
PURE Carbon Fiber OE Style B9 A4/S4 Rear Spoiler
from
PURE Carbon Fiber Front Lip Splitter / Spoiler For Audi A4 / S4 (B9)
from $ 499.99
Audi A4 (B9) Bump Stop Kit
from $ 19.99
eMMOTION Audi S4 / S5 B9 (2018+) Rear Sway Bar Upgrade
$ 285.00 $ 228.00
eMMOTION Audi S4 Quattro (B9) Stage 1 Suspension Package
$ 565.00 $ 510.00
eMMOTION Audi A4 Quattro (B9) Stage 1 Suspension Package
45mm Extended Wheel Bolt M14x1.5 R13 Ball Seat
from $ 2.49
HG-Motorsport
HG-Motorsport RS-Style Shift Paddles For Audi
from $ 149.00
EMD Auto Wheel Spacer 12.5mm Kit For Audi S4 (B9)
from $ 159.00
eMMOTION Audi A4 Quattro B9 (2017+) Rear Sway Bar Upgrade
37mm Extended Wheel Bolt M14x1.5 R13 Ball Seat
EMD Auto Wheel Spacer Flush Kit (10mm) For Audi S4 (B9)
CTS Turbo
CTS Turbo High Flow Turbo Inlet Pipe For Aud S4 / S5 (B9)
$ 99.99
CTS Turbo 2018+ B9 Audi S4/S5 V6T 3.0T (EA839) Downpipe
from $ 549.99