MAZDA · MA275700-8921 ECU

MAZDA 6 MA275700-8921 tuning files

Here is what the catalog holds for the MAZDA 6 on the MA275700-8921. Stock output across the matched variants spans 120–163 HP. 7 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Upload your file →All 6 coverage

Available solutions

Solutions that apply to the MA275700-8921 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

7 distinct variants for the MAZDA 6 on the MA275700-8921 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2200 16V 163HP
Generation: 2008-2012
Matched gains engine: 2.2 MZR-CD 163
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 163 HP
Stage 1 power: 200 HP
Power increase: +37 HP (+23%)
Stock torque: 360 Nm
Stage 1 torque: 460 Nm
Torque increase: +100 Nm (+28%)

Variant 2

ECU

Catalog engine: 2200 163HP
Generation: 2008-2012
Matched gains engine: 2.2 MZR-CD 163
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 163 HP
Stage 1 power: 200 HP
Power increase: +37 HP (+23%)
Stock torque: 360 Nm
Stage 1 torque: 460 Nm
Torque increase: +100 Nm (+28%)

Variant 3

ECU

Catalog engine: 2000 143HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 143 HP

Variant 4

ECU

Catalog engine: 2000 140HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 140 HP

Variant 5

ECU

Catalog engine: 2200 16V 130HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 130 HP

Variant 6

ECU

Catalog engine: 2000 121HP
Generation: 2003-2008
Matched gains engine: 2.0 MZR-CD 121
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 121 HP
Stage 1 power: 170 HP
Power increase: +49 HP (+40%)
Stock torque: 310 Nm
Stage 1 torque: 370 Nm
Torque increase: +60 Nm (+19%)
ECU SW: SW-RFYFEB000.HEX
ECU HW: RFYF18881

Variant 7

ECU

Catalog engine: 2000 120HP
Controller brand: DENSO
ECU: MA275700-8921
Stock power: 120 HP

Related vehicles

Other vehicles built on the MA275700-8921 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the MAZDA 6 on the MA275700-8921?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the MA275700-8921 ECU software on this model?

Yes — the MAZDA 6 on the MA275700-8921 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.