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  1. #1
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    S3 facelift 8p exhaust help

    Hi all now the exhaust

    first time owning a car with a valve in it ?? If I want to upgrade for a better sound how do i do this ?? Ie can I de cat



    Can I change back box and leave out the valve in the end which opens at 3200rpm ??

    Please help us

    thank you

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  3. #2
    2nd Gear

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    You can remove the pre-cat material (nearest the turbo) without any MOT or CEL worries - it will give you 5-10hp and the turbo spools up better.

    The valve needs to be locked open - did mine a while ago and it certainly improved things (both sound and pickup).

  4. #3
    br20vt's Avatar
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    You could go for a catback system which would get rid of the valve, or like nluk100 said lock the valve open. Its a 10 minute job and might liven things up for you

  5. #4
    PH1L's Avatar
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    the valve is only pressure operated i believe so no issues with changing system completely if you wanted to leave it out


    2007 S3 PhantomSchwartz

    Spec | Auto Lights | Black Headlining | RNS-E with 6 CD Changer | Phone Prep | Facelift Tails | MFSW | Cruise | Bluetooth | Adaptive Bi-xenon Headlights |

    Mods
    | MY10 Facelift | 75% LED's | Sepang Bronze Facelift Alloys

    Plans | LED 3dr tails | BBK Setup | Some BBS | Custom TBE |

    Quote Originally Posted by N8
    Yes, but they are OEM Phaeton Helios alloy wheels, not cheap ****e aftermarket piles of poop.

  6. #5
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    how do you lock this valve ?? and i take it, you remove the cat, get a drill, or a piece of wood hamer and destroy the insides

 

 

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