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  1. #1
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    custom exhaust bore

    if i was to get a custom exhaust built what size bore would i have 3 inch allway or 2.5 from decat pipe back? im only planning of map, full decat and a badger 5 and 007 so would i realistically be looking at 280 ish ? cheers rob

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  3. #2
    Dani_B19's Avatar
    Audi-sports own special child.

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    Guessing a s3? If you going for a custom exhaust you may aswell go for 3", unless you want it tobe boomy though, you should get a miltek style backbox to help keep the noise down when cruising etc.
    Driving the most secretive S3 on ASN

  4. #3
    s3dave's Avatar
    TFSI Hybrid

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    3" all the way..future proof then

  5. #4
    Neutral

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    do you guys run single silencer eg no centre box just a rear can??

  6. #5
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    yea s3 mate ok sweet so 3 inch won t be to big or nothing will it ? i mean on a power point of view cheers rob

  7. #6
    s3dave's Avatar
    TFSI Hybrid

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    No less restrictions the better on a turbo car..

  8. #7
    DaveA3's Avatar
    Audi A-Trizzle!

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    3" might sound a bit boomy but wont do any harm. Might be OTT unless ur running big power. Im sure someone on here is running standard exhaust with 300+ bhp

    Audi A3 1.8T Sport (AGU) - 2000
    Engine: Carbonio CAI/Jetex JR Hybrid Induction, Forge 007p DV, Forge TIP, Longlife S/S Custom Exhaust system, R-Tech Stage 1 Remap, Creation Motorsport Boost Pipe Kit.
    Exterior and Chassis: 18" Cades Tyrus, Euro Wipers, low on JOM Coilovers, Eibach Front & Rear ARB's, Black Angel Eye Headlights, 6000K HID's, S3 Brakes.
    For Sale PM ME - £2500 Mods Inc

  9. #8
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    thats why im thinking to go down to a 2.5 after cat ?

  10. #9
    DJ_Troopa's Avatar
    Back in a turbo!

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    I've got 3" and then 2.5" after the 200 cell sports cat.

    Inferi Black Cupra K1

  11. #10
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    whats the size of miltec ? thats kind of set up im thinking apart from full decat hmmm lol . im worried if i go 3 inch it will lose bit of power as it ain t no 400 bhp beast lol

  12. #11
    s3dave's Avatar
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    Quote Originally Posted by sonic93 View Post
    whats the size of miltec ? thats kind of set up im thinking apart from full decat hmmm lol . im worried if i go 3 inch it will lose bit of power as it ain t no 400 bhp beast lol
    Turbod cars dont need back pressure, you will be fine

 

 

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