Verkline Tubular Subframe - Audi A4, S4, RS4 (B5) fabrication Thanks to improved support and

Thanks to improved support and feedback

Fits Audi A4 2009-2002

They feature their exclusive "B-Tube" technology--lighter

PMU16 SOFTWARE  (SCROLL DOWN TO PMU SECTION)

"B-Tube" technology offers 15% better heat dissipation than standard O tubes

Verkline Tubular Subframe - Audi A4, S4, RS4 (B5) fabrication Thanks to improved support andVerkline Tubular Subframe Audi A4, S4, RS4 (B5) WAS 510 Fitting Instructions After long CAD development based on 3D scan of OEM subframe, tested with CAD FEA (Finite element method) and road going tests you can now buy a brand new, rust free, subframe for front of your Audi B5 A4 S4 RS4. Using the same T45 tubing as in WRC cars, our subframes provide increased stiffness and mass reduction. Additionally, the design enables better access to the car's