STVBEK Products are no longer in production or available from VAG.

The STVBEK front aero splitter for the B8 (Typ 8K, 2008 onwards) Audi S4 and A4 s line is probably the highest quality and one of the best looking front splitters you can get for your Audi.
STVBEK (pronounced stoo-bek) is represented in Southeast Asia by VAG Singapore, and produces this premium-quality aero splitter in two varieties, both of which are designed for outstanding aerodynamic performance and perfect fitment, and true-to-form Audi aesthetics.
Two finishes are available for the STVBEK Audi S4 Aero Splitter.
STVBEK B8 Audi S4 Front Aero Splitter

STVBEK’s Front Aero Splitter for the B8 Audi S4 is the perfect balance of subtle aggressiveness and motorsport design, and is designed to fit the stock B8 Audi S4 or Audi A4 bumper using included hardware. It arrives in primered matte black directly ready for paint.
STVBEK Carbon Fibre Front Aero Splitter
This carbon fibre-coated version of the STVBEK Front Aero Splitter turns up the heat and matches powerful Audi A4s and S4s needing this as a finishing touch. It arrives in a high gloss single sided 2×2 twill weave carbon fibre finish.