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01.S14/S14a Stage 1a ECU upgrade chip (270-290bhp)
02.S14/S14a Stage 3a ECU upgrade chip (340-360bhp)
03.S14/S14a Stage 2a ECU upgrade chip (290-310bhp)
04.Nistune type 3 board for S14,S13 with SR, GTiR and others
05.Nistune type 4 board for S14a, S15, R34 and others
06.S14/S14a Stage 1 ECU upgrade chip (260-280bhp)
07.Nistune mapping software
08.S14/S14a Stage 2 ECU upgrade chip (280-300bhp)
09.S14/S14a Stage 3 ECU upgrade chip (310-330bhp)
OEM Remapping

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Home » Products » Nissan » 200SX / Silvia » 200SX S14/S14a » Electronics and boost control » Engine management »

S14/S14a Stage 3a ECU upgrade chip (340-360bhp)



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Current Reviews: 1

The stage 3a ECU upgrade chip is designed to optimise the fuelling and ignition for an S14 with the following modifications:

Benefits of using this ECU upgrade chip include:
  • Fuel cut removal
  • 155mph speed limit removal
  • Smoother power delivery
  • Increased fuel economy when cruising
  • Can be remapped in the future for almost any specification at great prices - see here for more info

Below is a graph showing a power run on an S14a with the modifications listed above

The peak power measured here was 347.6bhp and a 359ft/lb of torque. Obviously results will vary depending on engine condition, rolling road, air temperature and so on.

Click here to display the dyno graph

Please ensure you select the correct type of ECU for your car when ordering. Some S14 cars have S14a ECUs, click here to check. Also, there are two different types of S14 ECU: 23710 74F0x (in the UK) and 23710 75F0x (for Europe)

We strongly advise that we carry out the fitting of this product

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