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Thread: Eco 4 Exhaust Systems?

  
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    Eco 4 Exhaust Systems?

    What Exhaust systems will fit on a Astra 1.7td eco 4, as in the way of say a gsi or 1.6 petrol, when looking for one?

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    All diesel Mk4s use the same exhaust, it's 2.25" to just after the catalyst, where is reduces to 2". Therefore, you can only use a diesel system.

    You could do what I did, and got a Powerflow custom system 2.25" from the turbo back, and they accidentally forgot to replace the cat while they were at it.
    2007 Metro Blue 5 door Mk5 Elite 1.7CDTI
    6th Vauxhall (4th Astra) in 10 years...plus a couple of other sheds...

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