Neuspeed Sport Springs Audi A4 S4 Variations:Neuspeed Sport Springs A4 (B6/B7) 1.8T 2.0T FWD (2002-2008) The Whiteline Plus rear differential

The Whiteline Plus rear differential mount inserts or "traction control" kits for the 03-06 Mitsubishi Evolution 8 & 9 are an easy to install solution to get rid of the "clunk"

The Turbosmart IWG-75 actuator range features:

Other manufactures and OEM parts use cheaper 409 stainless steel which will rust and corrode over time

5 +45 5x114

An overboost setting prevents dangerous overboosting

Neuspeed Sport Springs Audi A4 S4 Variations:Neuspeed Sport Springs A4 (B6/B7) 1.8T 2.0T FWD (2002-2008) The Whiteline Plus rear differentialNeuspeed springs for your Audi A4 S4 are among the very finest in the world. No other company dedicates themselves to research and development on Audi suspension than Neuspeed PERIOD! Neuspeed has continually developed high performance springs for Audi applications for over two decades and introduced the variable progressive rate design for superior ride and handling for your Audi! All Neuspeed springs are German ISO 9002 certified and manufactured by