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Thread: Shotgun exhaust dB levels

  1. #1
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    Shotgun exhaust dB levels

    So I am running a tubular mani, 3inch elbow, 3inch downpipe decat and a shotgun exhaust. The things is too loud.
    Was wondering how to make it quieter or if anyone has had any problems beeing stopped on road. I like the look but it's soo dam loud lol

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  2. #2
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    You can get a decat silencer - I wouldn't recommend the japspeed one but getting one made at a garage/yourself.

  3. #3
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    What's wrong with japspeed one? Also how much would a price to have one made be..

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  4. #4
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    I have been quoted ~200 - 240 in Hertfordshire area. The japspeed one sits at an angle so quite easy to catch on bumps etc.

    Picture shows it on my car (ignore the crumpled chassis rails). I am pretty sure I am not being stupid when mounting it and I have read other comments about it being at an angle.

    https://imgur.com/XpVpoRM

    I will say that it will most likely still be pretty loud but it makes it nicer on longer journeys and takes the edge off a bit.
    Last edited by rococo; 22-04-2021 at 13:06.

  5. #5
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    Yeh I can see what u mean. Only reason I want one its because the shotgun exhaust is soo loud and don't really fancy beeing pulled over because of it.

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  6. #6
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    just buy a proper exhaust.

  7. #7
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    Japspeed stuff is poor fitting, chinese crap, just avoid at all costs. As green_rs13 says, if you dont want a loud car all the time, get a proper cat back with a back box. If you want obnoxious noise but also normal sound, get an exhaust cut out valve and have the best of both worlds

  8. #8
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    Sr's sound shit. I had a blue flame sensible exhaust on my 14a in the end , a 3 inch from Apex, still ran good power but sounded ok. Had two proper silencers.

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