A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Who here has experience removing the stock cat and replacing it with a HFC unit or TP?

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Old 12-05-2005, 07:25 PM
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Default Who here has experience removing the stock cat and replacing it with a HFC unit or TP?

I'm thinking of picking up the Milltek HFC and am curious how hard it would be to install myself. Are their any DYI posts kicking around?
Old 12-05-2005, 08:15 PM
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Default I've done it a few times. It's a PITA, but it can be done without a lift. The trouble is mostly...

reaching the bolts on the turbo. I found it helps to remove the cat and the front section of the exhaust together, rather than trying to disconnect the cat from the exhaust under the car.
Old 12-05-2005, 08:20 PM
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Any advice on which tools (sockets, joints, extensions, etc) work best?
Old 12-06-2005, 07:35 AM
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2nd Tsle... bolts a a bi**h to get to. two long extensions, a swivel and a deep well will do it tho.
Old 12-06-2005, 07:44 AM
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How hard are the bolts to break loose?
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