3 Inch exhaust system
22 February 2015, 01:52 PM
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3 Inch exhaust system
Just wondering if a 3 inch centre section and back box will bolt directly onto a standard downpipe on a classic impreza.
22 February 2015, 02:08 PM
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Will have to be a system that mates up to the Subaru oe donut gasket and not a solid flange type that uses a flat crush gasket.
Last edited by Zuber; 22 February 2015 at 02:12 PM .
22 February 2015, 02:10 PM
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Thank you, I do have a decat downpipe to go on but i dont want to put it on yet because of overboost. so ill wait until a remap is ready.
22 February 2015, 02:12 PM
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22 February 2015, 02:21 PM
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Decat downpipe centre box and rear box?
22 February 2015, 02:22 PM
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What kind of downpipe do you have, as no point getting a system to match oe if your flange on your deact is different.
22 February 2015, 02:28 PM
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Flange on this system is flat gasket type. Guy said he had it on a standard cat until he went decat
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22 February 2015, 02:08 PM
