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Thread: Exhaust too loud inside?

  1. #1
    Regular Member larrysSRI's Avatar
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    Default Exhaust too loud inside?

    Since having my stainless exhaust made up ive noticed that it sounds alot louder inside the car than it does outside and has started to drone quite alot.
    When I hear it go up the road with the mrs driving it away it sounds quite subtle.
    Anyone got any similar symptoms?

  2. #2
    Regular Member rushy's Avatar
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    Vehicle : SRi


    Engine : Z22SE (2.2 Petrol)

    Year : 2004

    Mileage : 137000

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    Sounds like you need a centre resonating box fitted mate.

  3. #3
    Regular Member larrysSRI's Avatar
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    They have fitted a centre box mate.
    I have had a look underneath and it all looks too close to the body to me. I cant fit my fingers between the centre box and the heat shield.
    I was wondering if that could be causing it.
    Its louder when the car is warmed up too.

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    Regular Member Super T's Avatar
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    Take it back!!and ask them to sort it.

  5. #5
    Ex Vec-C Admin Deztroyer's Avatar
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    how long ago did they fit it time and mileage ??

    it will take about 1000 miles to "bed in" - mine was louder to me initially then quietened down

    0-Large smile ......every time it's driven

  6. #6
    Regular Member larrysSRI's Avatar
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    Quote Originally Posted by deztroyer View Post
    how long ago did they fit it time and mileage ??

    it will take about 1000 miles to "bed in" - mine was louder to me initially then quietened down
    Its been on for about a month so done bout 400miles. Just had them to check it over and they have lowered it a bit away from the tunnel and its made a little difference but they said if they alter the layout or fit bigger boxes etc it will affect the power output which I do not want them to do due to it performing alot better since being fitted.
    Ive had it on the rollers and it made 190bhp over 3 run average so im well happy.
    Was told if I had it re-maped the guy could get a reliable 220bhp out of it
    Best get saving!!!

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