Buick Rainier 5.3 V8 304hp Tuning File
Performance Gains
Standard Power
304hp
Tuned Power
321hp
Power Gain
+17hp
Standard Torque
447Nm
Tuned Torque
471Nm
Torque Gain
+24Nm
Vehicle Details
Fuel Type: Petrol
Engine Capacity: 5327 CC
About This Tuning File
The Buick Rainier 5.3 V8 304hp (2004 - 2007) produces 304bhp and 447Nm in standard form. Our Stage 1 ECU tuning file raises output to 321bhp and 471Nm, a gain of 17bhp and 24Nm, with no hardware modifications required. The file is delivered through the ByteFLASH portal and is ready to write to the vehicle.
Other Engine Variants
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