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Backbox Options - Post Your Pics Please...

Discussion in 'A3/S3 Forum (8L Chassis)' started by Ryan_W, Aug 20, 2012.

  1. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Aug 24, 2012]
    Bill runs a 3" system on the Ibiza (currently at 550hp)... the Milltek is a 2.75" system and the Mk2 golf with the GT3071 we built running mid 400's had a 2.5" system from a 3" DP... (although tbf its prob not ideal but EGTs were fine)

    I think the Milltek back box will be the biggest headache but the tell will be EGTs... your setup is going to be pretty free flowing inlet wise so any rise in EGTs will be down to the exhaust I reckon...

    Will have to see on the dyno mate but considering your setup then a 3" makes sense its just the choice of back box thats limiting as the one I had originally was perfect flow wise but was a little too droney inside the car for me... sounded ace on boost though :D

    <tuffty/>
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  2. StaceyS3
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    StaceyS3 Well-Known Member

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    [Aug 24, 2012]
    Should be ok then...I hope

    Just crossed my mind as bill will be doing the downpipe and decat, whether to get him to do a whole system but think will stick with the milltek for now and see how it goes ;)

    Don't suppose you can remember what James Leon ran exhaust and egt wise as will be pretty simular spec
    #42
  3. StaceyS3
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    StaceyS3 Well-Known Member

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    [Aug 24, 2012]
    Please don't encourage me I'm bad enough as it is lol ;)
    #43
  4. Reesy
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    Reesy Well-Known Member VCDS Map User

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    [Aug 24, 2012]
    I have an xs power mani and downpipe connected to a scorpion resonated exhaust (which has been modified) and I have been told by 4 people that it sounds like a jet when it's on boost, yet it is quiet and refined when it's not.

    But if I had to buy a cat back, it'd be a miltek with the slash cut pipes, although they are pretty common!
    #44
  5. JD09
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    JD09 I'm not modding, I'm improving VCDS Map User

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    [Aug 24, 2012]
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  6. Jason.s
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    Jason.s Active Member

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    [Aug 24, 2012]
    My gf`s old Mazda 3MPS sounded like that as standard. Sounds like a blow torch/bunsen burner. Pretty awesome.
    #46

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