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martijnt

Abd upgrade exhaust manifold question.

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martijnt

Hi everybody,

I am planning on upgrading my aav engine to a abd engine.

For now i have to keep the budget low, because my wallet is on intensive care.

My plan is to use a abd lump and combine it with a g40/3f exhaust and perhaps a abd/abu cam.

The best manifold to use would be a 421 manifold, but as i said the wallet is on intensive care.

So for now i am going to use the aav manifold.

But i saw a abd exhaust manifold, does anyone know if that manifold can be mated with the 3f/g40 exhaust?

Because the abd lump was in the golf, it might be a pain in the ass to fit it with a polo exhaust?

 

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steveo3002

abd mainifold is identical to a 3f one ...so yeah fit what downpipe you like

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martijnt

Are you sure about that?

Because 3f/g40 downpipes (i believe they were the same as well?) Are pretty hard to come by and pretty expensive.

Because if they are the same, i am going to get an abd one.

Seen one for around 10-15 pound. (15 euro)

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steveo3002

abd and gt manifolds are the same and common as muck...also came on alot of non gt 2fs

 

the g40 is not the same and has a bigger diameter and bigger studs and hard to find gasket for what you will pay for a good g40 mani and downpipe you will be close to 421 money  

Edited by steveo3002

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martijnt

Than i am going to re use the aav one.

I was confused about the mani and the downpipe and cat.

The 421 will come eventually, but first things first.

I used a g40 exhaust 2 times before and i really noticed the difference, the aav mani and downpipe were the bottleneck.

So now i am going to upgrade to the abd lump, i wanted to clear the bottleneck.

But will do that when the 421 comes and eventually will look for a "sporty" cat as well.

But thanks for the info.

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steveo3002

the g40 and gt also had the factory option of a decat downpipe that was avail at the dealers back in the day , probably hard to find now but might be good to have

 

i also have an abd which will be gt spec one day ...i guess i ought to get a g40 system too 

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martijnt

I will fuck up my emissions i think, it will screw up my mot.

But will keep an eye open for a g40 downpipe anyway

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