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A4 | S4 | RS4

AMR Performance - A4 Tuning | S4 Tuning | RS4 Tuning

ShopA4 | S4 | RS4
  • Mercedes-Benz E550 makes over 630wtq!
  • Our NEW DYNOJET 424xLC2 with Linx System!
  • Mercedes-Benz E63S AMG (w213): 1/4 Mile Testing
  • 2018 MB E63S AMG w/ AMR Performance ECU Upgrade goes 10.5 at 132mph (tune only)
  • AMR RV3.1 Software equipped Mercedes-Benz C43 AMG goes 0-60 in 3.3 seconds!