MAZDA ECU CHIPS LIST
Vehicle
Year
Engine
Ecu ID.
Boost 
 Rev
Limit
Maker
RX7 - FC3S
86 - 87
13BT
N318
-
7500
Mazda
RX7 - FC3S
86 - 87
13BT
N318
-
None
Mazda
RX7 - FC3S
88 - 91
13BT
N340
-
7500
Mazda
RX7 - FC3S
88 - 91
13BT
N340
-
None
Mazda
RX7 - FC3S
88 - 91
13BT
N374
-
None
Knight
Sport
RX7 - FD3S
92 - 94
13BTT
N3A7,N3A8
8200
Mazda
RX7 - FD3S*
92 - 94
13BTT
N3A7,N3A8
None
Knight
Sport
RX7 - FD3S
92 - 94
13BTT
N3A7,N3A8
None
Knight
Sport