Volks AutosAH Fabrications
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  1. #1
    Ginge's Avatar
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    Look what was inside my Milltek :)

    So I wanted a bit louder exhaust, therefore I decided to take apart my milltek exhaust and see what was inside.....
    Top cut off:


    Inside:


    Inside again:


    The stuff that was inside it, like feathers crossed with fibreglass, it was rammed with the stuff but took it out before I took a photo:


    The section I cut out:


    Having replaced it, I have decided it is not loud enough (hardly louder at all) so I will have it back off and remove some more.

    The top is sealed with a metal plate currently screwed on over the hole but will be a piece of stainless either welded or riveted on when i'm happy with it.

    any ideas for which part to cut out next would be appreciated thanks
    99' S3 APY currently just 007p, Badger 5 TIP, Customised Miltek non-res cat-back, Jetex cone, H&R Springs and Bilstein B8 Dampers ... 3" Downpipe, AH Fabrications FMIC and R-Tech Re-map on the way

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  3. #2
    damo.h's Avatar
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    Lol iv no idea but will be following

  4. #3
    Danny Cawsey's Avatar
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    After seeing these pics I've decided I'm going to sell my milltek and get a different back box,
    I've wanted mine lauder for ages but didn't realise there was a spaghetti jungle in my back box lol.

  5. #4
    A3 1.8t Quattro Sport!

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    i would drill massive holes all in it! in the bits where you cut it out.. or cut out alot more of it!

    make sure you do the nuts up tight when you refit it, if you leave them slightly loose i have heard they can cause the spare tyre to go flat! :D

  6. #5
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    Quote Originally Posted by dannycawsey View Post
    After seeing these pics I've decided I'm going to sell my milltek and get a different back box,
    I've wanted mine lauder for ages but didn't realise there was a spaghetti jungle in my back box lol.
    You will probably find that most back boxes from who ever will be similar inside to the Miltek.

    DC
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  7. #6
    superkarl's Avatar
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    Instead of having that bend in the back box,try and put dome of that drilled pipe straight across to the tail pipes. Does that make sense lol?

  8. #7
    S3 Nattie's Avatar
    Quattro ist für sissies

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    Some serious editing has gone on in this thread, where has everything gone.
    For sale

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  9. #8
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    On a more serious note- the perforated tubes are what you want to get rid of if you want it louder.if you want to keep it as loud as possible in that back box then weld a 180 degree section where the perforated tube starts to the split for the tailpipes.alternatively as you have cut it all apart anyway then just do away with the whole box and weld a straight section to the tips.

  10. #9
    rhubarb4's Avatar
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    Quote Originally Posted by S3 Nattie View Post
    Some serious editing has gone on in this thread, where has everything gone.
    Probably for the best to be fair, before it gets out of hand with the rod business.
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    Quote Originally Posted by superkarl View Post
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  11. #10
    bazil's Avatar
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    Quote Originally Posted by superkarl View Post
    Instead of having that bend in the back box,try and put dome of that drilled pipe straight across to the tail pipes. Does that make sense lol?
    basically a straight though back box then LOL

    nice i like

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    Those comments were important to warn people about the danger of feathers on rods

  13. #12
    S3 Nattie's Avatar
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    Quote Originally Posted by rhubarb4 View Post
    Probably for the best to be fair, before it gets out of hand with the rod business.
    Ye I know. Was pretty funny though some of the posts, especially one Andy put up about using that feather stuff to fly lol. Oh well back to the milltek.
    For sale

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  14. #13
    Ginge's Avatar
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    Thanks for the replies!!
    99' S3 APY currently just 007p, Badger 5 TIP, Customised Miltek non-res cat-back, Jetex cone, H&R Springs and Bilstein B8 Dampers ... 3" Downpipe, AH Fabrications FMIC and R-Tech Re-map on the way

  15. #14
    bazil's Avatar
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    is a miltek system worth the money?

  16. #15
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    Depends on what type of feathers they use inside..........goose..........pigeon..........pea cock................i don't think this post will be up here very long again.

  17. #16
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    I dont think so, not new.

  18. #17
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    Quote Originally Posted by bazil View Post
    basically a straight though back box then LOL

    nice i like
    Yeh, but will still allow the exhaust gasses to resonate inside the back box if you use drilled pipe to bridge the gap. its what I did to my standard exhaust, sounds mean!

  19. #18
    superkarl's Avatar
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    Quote Originally Posted by bazil View Post
    is a miltek system worth the money?
    Not in my eyes, at all, based on those pictures. Custom exhaust options offer a better more free flowing design than that using a straight through silencer mounted sideways, eg, sandips exhaust from pipeworx, which is cheaper.

  20. #19
    bazil's Avatar
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    thank fcuk i did'nt waste £1400 then lmfao

  21. #20
    superkarl's Avatar
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    How much??!! Millteks are around 500for catback.
    Some custom places will offer a catback, with stainless, a guarentee, for as little as 250

  22. #21
    bazil's Avatar
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    sorry i was including the cat, iirc the price was from AMD

  23. #22
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    Miltek cat back from Awsome GTI around 500 fitted, discreet back box, subtly loud, not boy racer loud.

    DC
    His: 2001 1.8T AUM. Hibiscus Red Pearl Effect - Hers: 2002 1.8T AUM. Metalic Silver.

  24. #23
    Inertiauk's Avatar
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    Sandip didn't give me the impression his was cheaper. Nice system though.
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  25. #24
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    All decent back boxes should have that in.. it is a silencer....lol.. poor milltek, you could have got a few quid for that to pay for a straight through system....

  26. #25
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    Quote Originally Posted by bazil View Post
    sorry i was including the cat, iirc the price was from AMD
    I was up AMD the other week having a service and they have a special offer on for the Milltek system

    Milltek Cat Back System + Fitting + Re-map = £650ish Inc VAT IIRC (Free fitting and half price re-map)

    Pretty good deal I think for what you get, compared to if you were doing them individually.

  27. #26
    Syvo's Avatar
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    Quote Originally Posted by Andy123 View Post
    Depends on what type of feathers they use inside..........goose..........pigeon..........pea cock................i don't think this post will be up here very long again.


    they could be this guys he dont look to happy he now knows where his feathers have gone







  28. #27
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    Quote Originally Posted by Inertiauk View Post
    Sandip didn't give me the impression his was cheaper. Nice system though.
    Cat back is a fair bit cheaper than a Milltek, cheaper than £500 anyway lol
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  29. #28
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    What about the nature of the turbo recycling the energy from the exhaust reducing the noise.... It's not as simple as just cutting and removing the inside of the box.

  30. #29
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    ^^ HUH?! lol
    99' a3 quattro - k03s, carbonio cai, simota cone filter, FMIC, raceland coilovers, fully polybushed, forge TIP, forge 007p, forge coolant hose kit, forge throttle body pipe, stainless catback, brembo pads, stage one map, black angel eyes, 17" radius r3's gt28rs coming very very soon

  31. #30
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    Huh x 2

  32. #31
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    What he's saying is, that a turbo car will never be as loud as an n/a car generally, because the turbo itself takes a lot of the exhaust gas energy.

    turbos are often jokingly refered to as a rotary muffler!
    -------------------------------------------------------------------------------------------------

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  33. #32
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    Quote Originally Posted by Prawn View Post
    What he's saying is, that a turbo car will never be as loud as an n/a car generally, because the turbo itself takes a lot of the exhaust gas energy.

    turbos are often jokingly refered to as a rotary muffler!
    Learn something new every day.

    so would a N/A car have more rasp and a turbo more burble or am i getting wrong end of stick







  34. #33
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    but it is as simple as cutting and removing the inside of the box? lol the inside of the box is what makes it quieter! yeah we all know the turbo acts as a silencer sort of but not to as much of a degree as a center or back box, run the car with no exhaust at all and it will still be loud as FOOK
    99' a3 quattro - k03s, carbonio cai, simota cone filter, FMIC, raceland coilovers, fully polybushed, forge TIP, forge 007p, forge coolant hose kit, forge throttle body pipe, stainless catback, brembo pads, stage one map, black angel eyes, 17" radius r3's gt28rs coming very very soon

  35. #34
    Prawn's Avatar
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    no you're completely right, turbo's tend to have a more muted sound with less of a rasp to it.

    I've fired mine up with just a 3'' DP fitted and NO exhaust beyond that, and even then it's not as loud as my 1380 n/a mini engine with a twin box system!

    the turbo takes out a fair bit of the sound, laws of energy and what not, energy cannot be created or destroyed, only transformed. we all know turbo's create heat, and require kinetic energy to turn the shaft, and as the turbo is not parasitic like a supercharger, that engery has to come from somewhere
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  36. #35
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    Quote Originally Posted by quattro1 View Post
    , run the car with no exhaust at all and it will still be loud as FOOK
    They're really not that bad man! you should try it. for sh|ts and giggles of course, don't actually drive it like that
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  37. #36
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    The benefits by removing the silencers are massive in respect of improved turbo spool, reduced lag between gear changes and so on. There is no benefit to having large bore systems as the restriction is always the exit on the turbo, but you don't need to worry about back pressures with a turbo setup. Modern cars with catalysts have huge potential, if you remove the catalyst or change to a sports catalyst this helps gas flow, and therefore faster spool and reduced lag. However noise levels are always muted in comparisons to n/a as already stated.

  38. #37
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    i bet it popped and flamed like mad with just the dp lol! might start it up when ive got the 28rs on with only the downpipe on and see how loud it is
    99' a3 quattro - k03s, carbonio cai, simota cone filter, FMIC, raceland coilovers, fully polybushed, forge TIP, forge 007p, forge coolant hose kit, forge throttle body pipe, stainless catback, brembo pads, stage one map, black angel eyes, 17" radius r3's gt28rs coming very very soon

  39. #38
    Prawn's Avatar
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    my A3 has a completely straight through system with no cat anyway as it's a track car, it pops and flames constantly with the full exhaust on too!
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    Prawns TFSI Turbo'd 1.8T Track Car

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  40. #39
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    thats exactly what i want mine to be like lol
    99' a3 quattro - k03s, carbonio cai, simota cone filter, FMIC, raceland coilovers, fully polybushed, forge TIP, forge 007p, forge coolant hose kit, forge throttle body pipe, stainless catback, brembo pads, stage one map, black angel eyes, 17" radius r3's gt28rs coming very very soon

  41. #40
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    My A4 was loud and raspy as f*ck when it didnt have any box`s in it just a pipe..Had to sort a backbox for it which took the rasp away and gave it a tone instead of BAAAAAAHHHH rusty chainsaw...Although wasnt asloud as what my Yaris still with cat and RS*R backbox used to be but still loud enough. Still pretty loud now with the MIJ can on the back but a more pleasant sound to what it was before. Thankfully didnt get rid of the gunshot esq pops on downchanges that make young girls scream walking past (i like to do it often and also making people swerve behind me when it pops haha)

    Cactus green 8L S3 - B5 TIP + Jetex, Revised 007p, R32 rear ARB, AP Coilovers, Compbrake rear arms, Full Powerflexed dogbone.

 

 

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