Buick Rainier 2004 - 2007 5.3 V8 304hp

HomeBuick Rainier 2004 - 2007 5.3 V8 304hp

Buick Rainier 2004 - 2007 5.3 V8 304hp

Tuning information may differ from vehicle to vehicle.

Previous Power:

304 hp

Post Power:

321 hp

Power Difference:

+ 17 hp

Previous Torque:

447 nm

Post Torque:

471 nm

Torque Difference:

+ 24 nm

  • 100% remapped ECU tuning files.
  • 4x4 Dyno tested for the best performance

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