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Thread: How to make a diesel sound better

  
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    How to make a diesel sound better

    ive got a 2007 astra 1.9 cdti sri xp, im not really interested in performance gains from the exhaust, but i want it to sound more nicer, is a back box the best way to go and cheapest, any links thanks.

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    I know someone with a diesel (non astra) with a 5" backbox and it does sound like a petrol saxo of something. Its maybe a little OTT though.
    Most of the noise from my astra comes from the engine bay, so you could add extra sound deadening.
    A cone style induction kit are the best for sound.

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    Quote Originally Posted by undisputed View Post
    but i want it to sound more nicer,
    I'll be first to say it, if you want it to sound better, take the tractor engine out and put a petrol in.

    I've got a Magnex on mine with downpipe and it whistles like a turbine at full power. Some like it, some dont.

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    Quote Originally Posted by Fabyoulous View Post
    I know someone with a diesel (non astra) with a 5" backbox and it does sound like a petrol saxo of something. Its maybe a little OTT though.
    Most of the noise from my astra comes from the engine bay, so you could add extra sound deadening.
    A cone style induction kit are the best for sound.
    can you give me a link for an example of what you said

    (cone style induction kit)

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    I'm also looking to make my diesel sound better, any suggestions guys? mines standard sxi 1.7 atm.

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    YouTube diesel exhaust.. there are some people with straight thru pipes.. decat and no baffles.. sound cool!

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    sell it. but petrol. problem solved

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    Quote Originally Posted by a55tra View Post
    sell it. but petrol. problem solved
    Exactly.

    You don't buy/run a diesel because it sounds like a Veyron on full chat ffs.

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    IME exhausts on diesels just make the same noise but louder. A 4cyl diesel engine is never going to sound anything other than tractor like tbh.
    Previous Astras: 1994 Cesaro 1.8 16v | 2002 SXi 1.6 16v | 2001 Coupé 2.0 Turbo | 1999 LS 1.6 16v
    Other Vauxhalls: 2001 Vectra 1.8 16v| 2003 Vectra GSi 3.2 V6 | 2005 Signum CDTi 150

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    I've seen some miltek exhausts on CDTI's and they sound like a gsi with a similar spec, just not as loud
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