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  1. #1
    outsideline's Avatar
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    How to guide to fitting AUDI S4 exhaust - genuine part!!! to 2.0tdi 170bhp.

    Hope this helps a few people, i have always wanted a quad exit exhaust on my audi but wanted to keep to genuine audi parts.

    Heres a few steps on how i have gone about it, hope it helps any one else wanted to do the same....


    STEP ONE:

    Remove your existing exhaust, 2 x rubber mounts on the back boxes and 2 x in the middle under the prop shaft ( if your car is quattro like mine ). Also undo the clamp connecting middle section to front pipe. ( 13mm socket size ).






    STEP TWO:

    Sit the s4 exhaust directly on top of the original diesel exhaust, then where the two pipe meet, mark on both exhausts. This is quite important as if you get this wrong it wont line up when refitting the exhaust. I made sure that the rear back box mountings lined up directly over each other there for the exhaust must be the right length when cut.






    STEP THREE:

    Once you have cut the s4 exhaust, fit to the car and just make sure it does sit correctly under the rear drive shafts. The s4 rear boxes sit perfectly into the area the original exhaust came out of so no need to modify brackets etc.






    STEP FOUR:

    Try the cars original middle section which you already should have cut down in the same place as the s4's exhaust, i did them at the same time. The middle section should mate up to exactly where is did when is was on the car previous. Once you know this is ok, i then cut 2 x sleeves out of 48mm out side diameter pipeing ( ruffly 6 inchs long each piece ) to act as sleeves to go into the original exhaust and the new s4 exhaust. I had hoped the s4 exhaust would of been a bigger bore size to my diesel but there is only 1mm difference so basically the same size pipeing hence the sleeve!!
    I then welded around both ends of the sleeves to make a good seal and high strength joint, so no gas can escape.




    STEP FIVE:

    Once all the exhaust is welded back into a full exhaust again, join up your front pipe with the clamp, make sure all your 4 x rubber mounts are on and have a look where the exhaust tail pipes are sitting.
    You can use the adjustable bracket that acts as a support, to widen or close the rear boxes how ever you want it to sit. I also should mention i knocked the s4 back box mounting down so that they would sit up nice in the s4 rear valance.


    A4 b7 170bhp quattro | 210bhp remap from Rick @ UNICORN MOTORSPORT ( 07880558534) | DPF deleted | EGR deleted | 19" TSW Zolder 5 custom bronze wheels | rs4 grill | rs4 22mm rear sway bar | lamin-x head lights, fog lights, side repeaters | custom carbon wraped chrome window trims | E M Tuning LED conversion lights | genuine audi s4 rear valance | genuine audi s4 quad exhaust system to fit diesel | cupra R splitter | black audi ring badges | alpine headunit, hertz spl sub with JL audio amp |

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  3. #2
    bez101's Avatar
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    quicker way
    just change the tips
    looks good tho

  4. #3
    razza1's Avatar
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    Quote Originally Posted by bez101 View Post
    quicker way
    just change the tips
    Lol
    07 2.0T SLine SE V2 Quattro, Full Milltek with hi-flow sports cat, APR Stage 2+ 280BHP/325lb/ft, APR HPFP, K&N panel, S4 alloys, Spacers, Black Optics, Eibachs, RS4 grill and fogs, Fog tints, RS4 ARB, RS4 Gearstick, LCR splitter, Black Calipers, Drilled discs, Debadged, Colour DIS, Bose, Adaptive Xenons/DRL, Black/Silver Audi Exclusive leather, Audi Carbon inlays, carbon difuser/B pillars, RNS-E+/Bluetooth, Cruise, Int/ext light packs, Rain/light sensors, mudflaps, LED plate/side/boot/interior

  5. #4
    outsideline's Avatar
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    how could you change the tips?? the original diesel exhaust sits well over to the right so you couldnt run dual tips on the rear with standard boxes?? maybe your was different being a petrol.

    i rang around ever where to get some custom twin tips with the correct bend, no one would do them for me so this is the only way i could think other than spending £££s
    A4 b7 170bhp quattro | 210bhp remap from Rick @ UNICORN MOTORSPORT ( 07880558534) | DPF deleted | EGR deleted | 19" TSW Zolder 5 custom bronze wheels | rs4 grill | rs4 22mm rear sway bar | lamin-x head lights, fog lights, side repeaters | custom carbon wraped chrome window trims | E M Tuning LED conversion lights | genuine audi s4 rear valance | genuine audi s4 quad exhaust system to fit diesel | cupra R splitter | black audi ring badges | alpine headunit, hertz spl sub with JL audio amp |

  6. #5
    bez101's Avatar
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    exhaust uk or hawleys sheffield would have sorted you
    they have them on the shelf
    the petrol sits to the right aswell but not a hard job to tweek them to fit

  7. #6
    outsideline's Avatar
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    aww well it kept me occupied for a night lol. i got the s4 exhaust off ebay for £75 which i thought was a good price??
    A4 b7 170bhp quattro | 210bhp remap from Rick @ UNICORN MOTORSPORT ( 07880558534) | DPF deleted | EGR deleted | 19" TSW Zolder 5 custom bronze wheels | rs4 grill | rs4 22mm rear sway bar | lamin-x head lights, fog lights, side repeaters | custom carbon wraped chrome window trims | E M Tuning LED conversion lights | genuine audi s4 rear valance | genuine audi s4 quad exhaust system to fit diesel | cupra R splitter | black audi ring badges | alpine headunit, hertz spl sub with JL audio amp |

  8. #7
    bez101's Avatar
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    very good price and as above looking good

  9. #8
    outsideline's Avatar
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    cheers mate thanks for the kind comment.
    A4 b7 170bhp quattro | 210bhp remap from Rick @ UNICORN MOTORSPORT ( 07880558534) | DPF deleted | EGR deleted | 19" TSW Zolder 5 custom bronze wheels | rs4 grill | rs4 22mm rear sway bar | lamin-x head lights, fog lights, side repeaters | custom carbon wraped chrome window trims | E M Tuning LED conversion lights | genuine audi s4 rear valance | genuine audi s4 quad exhaust system to fit diesel | cupra R splitter | black audi ring badges | alpine headunit, hertz spl sub with JL audio amp |

  10. #9
    razza1's Avatar
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    Bargain for a nice look!
    07 2.0T SLine SE V2 Quattro, Full Milltek with hi-flow sports cat, APR Stage 2+ 280BHP/325lb/ft, APR HPFP, K&N panel, S4 alloys, Spacers, Black Optics, Eibachs, RS4 grill and fogs, Fog tints, RS4 ARB, RS4 Gearstick, LCR splitter, Black Calipers, Drilled discs, Debadged, Colour DIS, Bose, Adaptive Xenons/DRL, Black/Silver Audi Exclusive leather, Audi Carbon inlays, carbon difuser/B pillars, RNS-E+/Bluetooth, Cruise, Int/ext light packs, Rain/light sensors, mudflaps, LED plate/side/boot/interior

  11. #10
    fooby's Avatar
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    looks really good..........wanna do mine




    one to add to the list i think!

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    interesting. Does anyone know the part number and price of the rear valance in order to accommodate the right hand twin pipes?

    Ive often wondered about this conversion on my 140 TDI sline. I would also need the right hand heat shield and a pair of s4 back boxes and associated ribber mounting bushes.
    vwaf forum mod

    Audi B7 A4 S-line Avant (57 reg) retrofitted, towbar, reversing sensors, reversing camera, centre armrest, mud flaps, freeview tv.
    VW polo - for sale (55 reg)

  13. #12
    V6 Quatt's Avatar
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    I have a pair of TDI back boxes that were off a TDI quattro for sale in excellent condition pm me if interested. Would be ideal for your mod.
    Torque the Torque

  14. #13
    lenti's Avatar
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    DUUDUE any sound on the exhaust??? :D
    Audi A4 2.0TDI 2007 B7 S-Line & Proline
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    For more pics visit my FB http://www.facebook.com/MR.Doberlluka
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    and http://www.audizine.com/forum/member.php/73213-lenti look @ my started threads

  15. #14
    A4_MaJiK's Avatar
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    Quote Originally Posted by lenti View Post
    DUUDUE any sound on the exhaust??? :D
    x2 get a video up!

    Audi A4 B7 3.0TDI S-Line Sprint Blue
    ~ MTEC DRLs & Sidelights ~ 8000k D1S ~ 19" A6 Le Mans Edition Wheels ~ Eibach Wheel Spacers (5mm F/15mm R) ~ Rear Ambient Lighting ~
    ~ UK Legal Pressed Plates ~ Full Interior LED Lighting ~ Rear Numberplate LED Lights ~ LCR Front Splitter ~

 

 

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