B9 Audi S4

  1. Available Now: Stainless Steel Racing Catalyst for B9 Audi S4/S5

    The 034Motorsport Stainless Steel Racing Catalyst for B9 Audi S4/S5 is designed as a drop-in replacement for the restrictive factory catalytic converter. The Stainless Steel Racing Catalyst offers increased horsepower and torque throughout the powerband, reduced turbocharger lag, improved throttle response, and an enhanced exhaust note. This upgrade eliminates the primary flow limitation in the […]
  2. Cobalt Friction Brake Pads Now Available for B9 Audi Models!

    034Motorsport is pleased to offer Cobalt Friction Brake Pads for the B9 Audi A4/S4/A5/S5 & Allroad! We've thoroughly tested these friction compounds on the 034Motorsport B9 Audi A4 & S4 Development Vehicles at multiple track days with fantastic results. These front and rear brake pad sets offer consistent stopping power with very good modulation, while maintaining acceptable disc life and very good pad wear […]
  3. B9 Audi Adjustable Upper Control Arms | Now Here!

    034Motorsport's Density Line Adjustable Upper Control Arm Kit for B9 Audi A4/S4, A5/S5, and Allroad replaces the fixed factory front upper control arms to allow for precise, independent camber adjustments. Featuring CNC-machined billet aluminum construction, high-durometer rubber bushings, and genuine Aurora spherical rod ends, Density Line Adjustable Control Arms are limit unwanted deflection in the suspension, […]
  4. Now Available: B9 Audi A4/S4 & Allroad Billet Aluminum Rear Differential Inserts

    034Motorsport is pleased to present Billet Aluminum Rear Differential Mount Inserts for the B9 Audi A4/S4 & Allroad! The B9 Audi A4/S4 & Allroad uses rubber rear differential mounts which deflect under load, causing the rear end to feel vague and loose, as well as leading to less-than-optimal handling characteristics during on-throttle and off-throttle transitions. These precision-machined billet aluminum inserts are […]
  5. Dynamic+ Lowering Springs for B9 Audi S4 - Now Shipping!

    Dynamic+ Lowering Springs for the B9 Audi S4 are the perfect solution for those looking to lower their vehicle and improve handling dynamics while retaining excellent ride quality. A true no-compromise solution, Dynamic+ Lowering Springs provide an aggressive yet functional stance, and reward drivers with precise vehicle control and OEM+ comfort levels. These springs were […]

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