Horsepower: 350 - 660
Displacement: 1.4L - 3.0L

Assets and Downloads

Compressor Map

Exhaust Flow Chart

Flange Diagram

Product Photo

Speed Sensor Kit Installation Instruction

Garrett G25-660 Turbo Assembly Kit (Standard Rotation)




The G-Series G25-550 and the G25-660 turbochargers are compatible with 1.4L – 3.0L engine displacements and capable of producing up to 550 and 660 horsepower. G Series 25 turbochargers are smaller and outflow all comparable products on the market.

New compressor and turbine aero combined with high temperature resistant materials allowed engineers to push the limits of performance.

A new name designates a new generation of industry leading technology and innovation.

Understanding the Name:
G25-550 || G25-660

G designates 81 years of GarrettĀ® heritage.

25 classifies the size of the frame. The remaining 3 digits identify the max horsepower rating of the turbocharger. (ie 550)

Additional information

Weight 30 lbs
Dimensions 12 × 12 × 12 in


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