Audi S4 ECU Programming

• APR 2.7T ECU Upgrade

  

  fits: 00-04 Audi A6, 00-02 Audi S4

  Engines: 2.7T

  HP Gains: Custom

  Boost: Custom

  Price: $599.00
  

  Price Match Guarantee

  APR is pleased to offer the ultimate ECU Upgrade for the 2.7T. APR's extensive research and development provides you with a powerful ECU Upgrade with no loss of drivability or reliability. Expect huge increases in low-end torque, improved throttle re...

• APR 3.0 TFSI ECU Upgrade

  

  fits: 08-12 Audi S4

  HP Gains: 77+ AWHP

  Boost: Custom

  Price: $1,499.00
  

  Price Match Guarantee

  EMCS is APR's revolutionary patented Enhanced Modular Chipping System. EMCS is an industry leading technology that brings many new features to the automotive enthusiast. This technology was developed exclusively by Audi Performance & Racing, LLC ...

• APR DirectPort ECU Program

  

  fits: 00-04 Audi A6, 00-02 Audi S4

  Price: $599.00
  

  Price Match Guarantee

  2000-2002 Audi S4 (B5) 2000-2004 Audi A6 (C5) 91 Octane: 307hp / 366lb-ft 93 Octane: 318hp / 382lb-ft APR is pleased to offer the ultimate ECU Upgrade for the 2.7T. APR's extensive research and development provides you with a powerful ECU Upgrad...

• APR Tuned - DirectPort Programming

  

  fits: 03-08 Audi S4

  Engines: 4.2 V8

  Price: $599.00
  

  Price Match Guarantee

  2003-2005 Audi S4 (B6)2005-2008 Audi S4 (B7) 91 Octane: N/A 93 Octane: 352hp / 312lb-ft The APR 4.2L V8 ECU Upgrade is an expertly recalibrated engine control strategy that remaps the timing and air fuel ratios to provide smooth and reliable power as...

• APR Tuned - ECU Upgrade

  

  fits: 10-11 Audi S4

  Engines: 3.0 V6

  Price: $599.00
  

  Price Match Guarantee

  2010 - 2011 Audi S4 (B8)91 Octane: N/A 93 Octane: 362hp / 345lb-ftThe APR 3.0L V6 ECU Upgrade is an expertly recalibrated engine control strategy that remaps the timing and air fuel ratios to provide smooth and reliable power as if intended by the OE...