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How To Remove Cat Pipe Between Downpipe And Centre Section


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Another techie question to which the answer is probably obvious by I am new to all this diy modding. I managed to purchase a very good quality but very cheap cat delete pipe on eBay to tide me over until I get full exhaust changed next year and when I looked under car to see how it fits I can understand how to remove the spring bolts between centre section and cat pipe but am confused by the set up on the other side connected to downpipe. There appears to be nuts attached to what I think are studs but do I just take the nuts off and the cat pipe slides off or do I need to unscrew the studs as well? The new pipe doesn't have threads in the holes connecting to the downpipe so am I right in saying the original cat won't so should just slide off? As I said this may be a really obvious question but don't want to go trying something that I can't do. The car is also 8 years old so I am guessing this won't be a 10 minute job

Thanks

Chris

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Another techie question to which the answer is probably obvious by I am new to all this diy modding. I managed to purchase a very good quality but very cheap cat delete pipe on eBay to tide me over until I get full exhaust changed next year and when I looked under car to see how it fits I can understand how to remove the spring bolts between centre section and cat pipe but am confused by the set up on the other side connected to downpipe. There appears to be nuts attached to what I think are studs but do I just take the nuts off and the cat pipe slides off or do I need to unscrew the studs as well? The new pipe doesn't have threads in the holes connecting to the downpipe so am I right in saying the original cat won't so should just slide off? As I said this may be a really obvious question but don't want to go trying something that I can't do. The car is also 8 years old so I am guessing this won't be a 10 minute job

Thanks

Chris

The connection between downpipe and 2nd cat pipe has, 1 nut/bolt and 1 stud/nut combination which can be replaced with 2 bolt/nuts to fit the cat delete pipe.

They use a stud for ease of fitment during assembly.

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Like most of us who have done the job before, the nuts will probably need cutting/splitting off :D

Edited by don
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the studs dont need to come out, but they may well come out if the nut is seized onto it, soak in plenty releasing fluid hopefully theyll come off ok

just noticed yours isnt a classic, may be different, sorry buddy

Edited by doogz
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Well had a try this morning and found that the nuts on the downpipe side are rusted so bad that they are disintegrating away. Think I will need to rethink my plans as the rest of the exhaust may need replaced sooner than I thought.

As I said, usually need cutting/splitting off.

They take the brunt of the crap thrown up by the front offside wheel.

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Well I thought I would phone my insurance company today to see if there were any implications about fitting stainless steel exhaust parts and they advised it would be an extra £200 a year if I do this. This was even with it down as not increasing bhp. The justification was because it was a non standard part. Does this then mean that if I went to say kwil fit and got an exhaust from them that wasn't genuine Subaru then I would be £200 extra also as it is not a standard part? Needless to say I am now looking for alternative insurance company that is mod friendly. I have contacted Gary moulson at Keith michaels and also competition car insurance. Are there any other recommendations?

Rant over for the day.

Cheers

Chris

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