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3" down pipe?

Discussion in 'A3/S3 Forum (8L Chassis)' started by vince, A3 turbo, May 18, 2011.

  1. vince, A3 turbo
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    vince, A3 turbo Member

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    Alright guys how many of you have fitted a 3" down pipe and de cat? And would u recommend doing it befor I get it mapped? What gains would I get if any and will it make it really loud, I'm Still running the standard back box, cheers
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  2. Prawn
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    Prawn My other car is a MINI!!!!

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    It wont make it any louder really

    It's hugely worth while, but to get the best from it you need it done before it's mapped, and make sure the tuner is able
    To map it accordingly to take advantage of the downpipe

    I'd recommend rtech personally
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  3. Loupigs
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    Loupigs Member

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    Yeah what Prawn said.
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  4. vince, A3 turbo
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    vince, A3 turbo Member

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    Wicked that's what I thought :) I was going to get it mapped at amd, will they set it up correctly. ?
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  5. Prawn
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    Prawn My other car is a MINI!!!!

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    I'm not on my phone now, so I can afford to type a bit more and not look like a robot.

    Basically, if I'm honest, I highly doubt AMD will map it to take the downpipe into account, as it won't fall into a stage 1 or stage 2 area, it's somewhere between!

    Rtech for instance, will get 210bhp from a standard AUM stage 1 map, add in a downpipe and they offer a 'stage 1.5' map which runs a little more boost, then add in an FMIC and you can have a stage 2 map, which typically sees 230bhp or so.

    My stage 1 Rtech with 3'' DP/decat made 224bhp at Badger 5, so the figures from the spec 1 map are good. Having driven an AMD mapped AUM back to back with mine, the AMD map felt nowhere near as good, and the owner of the car agreed!
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  6. vince, A3 turbo
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    vince, A3 turbo Member

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    My engine code is agu mate. Apparently it's the big port head model. I'm currenty waiting for my Intercooler tubes to come in the post :) so Hoping to get in plumbed up by the weekend :) it's the revo map
    I was going to get, might ring amd up tomorrow and see what they say, 230 sounds alot but would be ace. Aslong as I get 200 I'll be happy, I'll ring rtech up tomorrow and get some figures and prices :) do u No were there nearest garage is to Swindon? Thanks alot mate much appreciated
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  7. Dane
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    Dane Faster than a V12 Q7

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    You could make the trip over to Bill in stonehouse, a419 all the way from Swindon iirc.

    R-techs unit is up in Hinkley in leicestershire
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  8. vince, A3 turbo
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    vince, A3 turbo Member

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    Oh yh and I'm on my phone so sorry if I do sound like a robot haha
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  9. vince, A3 turbo
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    vince, A3 turbo Member

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    Cheers Dane what are bills maps like and do u no what figures I could expect? Cheers
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  10. Dane
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    Dane Faster than a V12 Q7

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    Bill offers revo and custom code iirc, but might be more able/more willing to dial in the map to suit, but then again, as prawn says, r-techs maps are their own so they have more control over what they can adjust. You won't go wrong with either IMO.
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  11. vince, A3 turbo
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    vince, A3 turbo Member

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    Thanks mate I will have a ring around and see what they say :) does bill have a web site? Thanks for the advice
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  12. vince, A3 turbo
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    vince, A3 turbo Member

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    Oh and what's iirc mate, cheers
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  13. Dane
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    Dane Faster than a V12 Q7

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    No worries, It's an abreviation for 'If I remember correctly'
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  14. s30000t
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    s30000t Member

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  15. Prawn
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    Prawn My other car is a MINI!!!!

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    aaaaaaaaaaah, if it's an AGU then that makes it a little different!

    The AGU has a ko3 turbo, not a ko3S like the AUM.

    A map on an AGU will not see you past 200bhp, no matter what mods you do. Mapping the standard car will see you 190 ish, then with all the extras you're adding probably 200 at a push.

    Very few people bother with anything more than a stage 1 map on a ko3, because the stage 1 basically gets as much as possible from the turbo already, so there are VERY small gains to be had from stage 2.

    Slap a ko3S on there then you can achieve the figures I mentioned above
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  16. vince, A3 turbo
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    vince, A3 turbo Member

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    Thanks for that prawn, great help,
    Any one selling a ko3s haha
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  17. Prawn
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    Prawn My other car is a MINI!!!!

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    it's well worth while mate if you can get one, I wouldn't go spending your money on all the other bits and a map for a ko3, the difference between a standard AGU with a map and an AGU with all the bits and a map is almost nil.

    Adding a ko3S in for about £200 opens up a WHOLE load of extra power. the difference between a ko3 and a ko3S car is night and day.
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  18. jay1601
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    jay1601 Well-Known Member

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    made no difference in noise when i fitted my 3" DP/de-cat, didn't see much power gains until it was mapped tbh
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  19. vince, A3 turbo
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    vince, A3 turbo Member

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    That's great :) cheers lads.
    Were can I get a ko3s that cheap mate ?
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  20. vince, A3 turbo
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    vince, A3 turbo Member

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    Oh Jay 1601 is it the s3 break set up u have ? Cheers
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