Wtb; R31 Skyline Manual
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By joshuaho96 · Posted
Stock ECU has compensation, you won't damage the engine. Personally I recommend getting an acceptable catalytic converter, it doesn't need to be OEM and super expensive but a cheap universal one to keep it from being super obnoxious to be around. Decatted cars smell pretty awful. -
By BourneToLive · Posted
Correction. Ignition was on before, but I guess the car had to be running for it to work. -
The stock ECU won't care. The gains from Nistuning the ECU and then "optimising" the fuel and ignition tables will be about 2 more HP. -
By GabsReDeal · Posted
Appreciate the feedback. It is street car, but not a daily. Last week I got a quote from a good exhaust shop for a decat, one which is bolt-on, bolt-off to be easily replaceable. I got quoted for around €150. I usually do push the motor, but I wasn't in this case to make sure that no damage is done until I get the cat sorted. I think it's best to also ask the exhaust shop for the other option and see what they can do. If (big if) I were to decat though, would it be best to tune the car or would the stock ECU handle it? As far as I know, the stock ECU is not tunable and that would require additional purchases. -
As above, definitely bash it or get it replaced with a high flow unit.
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