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Tunit is one of only a handfull of chips sold in Australia that isnt made by DTE in germany.

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Not to worry, if others can learn from your mistakes it will save them money. Thats what the forums are all about right?

The o2 sensor is there to check sufficient excess o2 is available to perform a dpf burn off. Obviously if there is not, it will cause alot of black smoke. The cat converter raises gas temperature roughly 200deg through its substrate, or high enough to light up any unburnt diesel. But it only...

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So.... did you do any testing on 2.5" vs 3" as I asked?

Only if the ecu is trying to do a burn off to the dpf.

Its only done to keep egt high for turbine drive. More is added onto the normal amount for a dpf burn off. The cat makes little difference overall. Apart from turning normally white smoke into black smoke due to the temp increase through its honeycomb. You would notice a big hit in...

Its easy to keep it under 700. Get a decent intercooler on there and you will see minimum 30deg intake and exhaust temp drop. D40's that have been boosted higher than standard see temp drops upwards of 50deg with the cooler upgrade. But, you do realise the temps are so high because of the...

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Its a blocked filler breather. Thats the only thing that can cause the primer housing to become sucked in, big vacuum in the fuel tank.

So you want to only hear what the manufacturer of the chip has to say? Not other people experience's of it? If so why bother looking around at all, just call around and take the advice of the people who make the chips. Such as the shops who sell Steinbauer and tell you it can control injection...

A simple 2.5" cat back systems will be the best for about 80% off cars out there. a full 2.5" or even 3" system if your shooting for over the top power like Bluenav. But up to around 130rwkw is easily achieveable out of a 2.5" cat back system.

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