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Thread: Blow off valve

  1. #1
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    Lightbulb Blow off valve

    Hello,

    Just wondering what was everyone's opinion on blow off valves for a 2015 Volkswagen Polo 1.2L 81TSI 6C. Reason i would purchase one would purely be for the sound, however, i was wondering if there were any risks involved? would it damage anything at all?

    Thank you!

  2. #2
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    Quote Originally Posted by Its a Polo View Post
    Hello,

    Just wondering what was everyone's opinion on blow off valves for a 2015 Volkswagen Polo 1.2L 81TSI 6C. Reason i would purchase one would purely be for the sound, however, i was wondering if there were any risks involved? would it damage anything at all?

    Thank you!
    Arent they illegal in certain jurisdictions Cant imagine a 1L 3 potter sounding rad
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

  3. #3
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    Quote Originally Posted by Hillbilly View Post
    Arent they illegal in certain jurisdictions Cant imagine a 1L 3 potter sounding rad
    from my knowledge, i don't think they are illegal

  4. #4
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    Illegal in VIC


    Ben
    Now: ‘19 VW Golf R, ‘15 Polo GTI
    Before: ‘06 RenaultSport Megane 225 Cup, ‘14 VW Polo GTI, ‘12 VW Golf GTI, ‘06 VW Golf GTI, ‘05 VW Golf Sportline, ‘01 Holden Astra SRi, ‘00 Nissan Pulsar SSS, ‘99 Holden Astra CD, ‘98 Nissan Pulsar SLX, ‘91 Nissan Pulsar GL with Q engine swap, ‘80 Subaru Leone
    Ben

    2015 Polo GTI & 2019 Golf R

  5. #5
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    Last edited by Hillbilly; 12-07-2020 at 08:46 PM.
    2021 Kamiq LE 110 , Moon White, BV cameras F & B
    Mamba Ebike to replace Tiguan

  6. #6
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    Forge is the only brand I know of that does a blow off valve kit for the 1.2 and 1.4 TSI engines: Blow Off Valve for Audi / VW / Skoda 1.2 and 1.4 TSI Engines 2015+ – AutoInstruct

    Plenty of videos online demonstrating what they sound like.

    Just bear in mind (seeing some of your other posts) that the 1.2TSI is not meant to be a performance engine, so with regards to tuning/exhausts etc, there isn't much available. A tune will give you around 10-15kw and 40nm which is decent, but its a very small turbo so they are physically limited with how much air they can flow.

    As for exhausts, a catback from a Polo GTI of the same year will probably fit.
    Last edited by Lucas_R; 13-07-2020 at 09:12 AM.
    2017 Ford Fiesta ST
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  7. #7
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    Current: 2023 MY23 T-Roc R Lapiz Blue + Beats Audio + Black pack 2018 MY19 Golf R manual Lapiz Blue + DAP (mods are underway ) 2018 MY18 Golf 110TSI Trendline manual White (with mods now 150TSI) 2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 10 Previous VWs and some others ...

  8. #8
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    LOL Lucas
    Current: 2023 MY23 T-Roc R Lapiz Blue + Beats Audio + Black pack 2018 MY19 Golf R manual Lapiz Blue + DAP (mods are underway ) 2018 MY18 Golf 110TSI Trendline manual White (with mods now 150TSI) 2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 10 Previous VWs and some others ...

  9. #9
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    BTW, the chances of getting a defect on this is less than 0.01%. It is simply not that loud. I have 1 fitted to the 1.4TSI. Sounds awesome but you would literally have to be revving the car right next to a cop physically standing (not sitting in his car) next to you.

    It is also plumbed back so it is recirculating (mostly).

    And frankly, who cares if it is legal or not.
    Current: 2023 MY23 T-Roc R Lapiz Blue + Beats Audio + Black pack 2018 MY19 Golf R manual Lapiz Blue + DAP (mods are underway ) 2018 MY18 Golf 110TSI Trendline manual White (with mods now 150TSI) 2014 Amarok TSI Red (tuned over 200kw + lots of extras) 2013 Up! manual Red 10 Previous VWs and some others ...

  10. #10
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    WTF is a blow off valve. Is the a Harley thing you fags.!

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