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The ULTIMATE ECU Upgrade for the 87 - 92 Galant E38A or E39A VR-4 (Including the RS and the EVO 0). Turn your Mitsubishi into a BITCHIN' MITSI!!

This will also work in a ZR4 (ZR-4)

This is tuned for a car with a free flowing exhaust and intake.

- Performance Tuned Fuel and Ignition Curves
- Removal of the Speedcut
- Rev Limiter Removed
- Boost Cut Eliminated - BUILT IN FUEL CUT DEFENDER!!!
- Adjusted idle


- Upgraded intake
- Upgraded exhaust
- 95 octane petrol
- Boost controller

- Performance tuned EPROM chip
- Installation socket

Depending upon your engine, this upgrade will allow you to SAFELY run 16 to 18 psi boost. Expect SUBSTANTIAL gains from this upgrade. This upgrade was tuned on an RS ECU (5808), but will work on all single board EPROM ECUs.

We have been performance tuning cars for almost 10 years, with some huge success. Our chips are in 1000's of cars world wide. These are not Japanese copies that require 100+ octane, but tuned and tested in local conditions.

I require the number from your ECU at the end of the auction to ensure you get the correct chip.

Installation instructions available. Please click here to ask a question
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Shipping options

  • Single Board (Non Rural)$8.00
  • Single Board (Rural)$11.00
  • Double Board (Non Rural)$8.00
  • Double Board (Rural)$11.00
  • Pickup$0.00
  • Australia$20.00
  • Seller allows pick-ups
  • Seller location: Manukau City, Auckland, NZ

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    Cash, NZ bank deposit, Paypal

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