RS4 Performance Parts & Upgrades | ModBargains

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The Audi RS4 represents one of the most iconic performance models in Audi’s RS lineup, combining aggressive powertrains with the practicality of the A4 platform. Developed by Audi Sport (formerly quattro GmbH), the RS4 delivers track-inspired engineering, high-revving engines, and advanced Quattro all-wheel-drive capability. Known for its exceptional handling and strong performance potential, the RS4 has become a favorite among enthusiasts looking for a high-performance sport sedan or wagon with everyday usability.

With powerful engines, performance-focused suspension systems, and strong aftermarket support, the RS4 platform responds exceptionally well to upgrades including exhaust systems, suspension tuning, forged wheels, braking upgrades, and aerodynamic enhancements.

At ModBargains, we offer a wide selection of performance parts and upgrades for the Audi RS4, including high-performance exhaust systems, suspension upgrades, forged wheels, brake kits, and aerodynamic styling components designed to enhance both performance and appearance.


B7 (2007–2008 Audi RS4)

The B7 RS4 is one of the most legendary modern Audi performance sedans. Powered by a 4.2L naturally aspirated V8 engine, the RS4 delivers an exhilarating high-revving driving experience that sets it apart from turbocharged competitors.

The engine is paired with a 6-speed manual transmission and Audi’s advanced Quattro all-wheel-drive system, providing excellent traction and balanced performance.

The B7 RS4 also features wide fender flares, aggressive styling, and upgraded suspension and braking systems designed to deliver track-capable performance.

Key features:

  • 4.2L naturally aspirated V8 engine
  • 6-speed manual transmission
  • Quattro all-wheel-drive system
  • Wide-body performance styling
  • Sport-tuned suspension and braking systems

Popular aftermarket upgrades include:

  • High-performance exhaust systems
  • Performance intake upgrades
  • Adjustable coilover suspension systems
  • Lightweight forged wheels and performance tire packages
  • Big brake kits and high-performance brake pads
  • Carbon fiber aerodynamic components

The B7 RS4 remains highly respected for its naturally aspirated V8 engine and balanced driving dynamics.


B5 (2000–2002 Audi RS4)

The B5 RS4 is widely considered one of the most legendary Audi performance cars ever produced. Built as a high-performance version of the B5 A4 Avant, the RS4 features a heavily upgraded 2.7L twin-turbocharged V6 engine developed by Audi Sport and Cosworth.

This engine delivers significant performance and is well known for its enormous tuning potential. Combined with Audi’s Quattro all-wheel-drive system, the RS4 provides exceptional traction and acceleration.

Performance highlights:

  • 2.7L twin-turbocharged V6 engine
  • 6-speed manual transmission
  • Quattro all-wheel-drive system
  • Wide-body performance styling
  • High-performance wagon platform

Common upgrades include:

  • Turbocharger upgrades and ECU tuning
  • Performance intake and exhaust systems
  • Upgraded intercoolers and fueling systems
  • Coilover suspension systems
  • Forged wheels and performance tire packages
  • Brake upgrades and track-focused braking components

The B5 RS4 remains one of the most sought-after Audi performance models thanks to its twin-turbo V6 engine and exceptional tuning potential.


Shop Audi RS4 Performance Parts at ModBargains

ModBargains offers a wide selection of premium performance parts and accessories for the Audi RS4 platform, including:

  • Performance exhaust systems
  • ECU tuning and turbo performance upgrades
  • Coilovers and suspension upgrades
  • Big brake kits and braking components
  • Forged wheel and tire packages
  • Carbon fiber aerodynamic components
  • Interior and exterior styling upgrades

From the legendary twin-turbocharged B5 RS4 to the high-revving V8-powered B7 generation, the Audi RS4 delivers a unique combination of performance, practicality, and driving excitement. Upgrade your Audi RS4 with premium aftermarket parts from ModBargains to enhance handling, styling, and overall driving performance.