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[JamesV6CDX]

The flange on my exhausts needs 5mm+ taking off it so they fit the later manifolds.

What's the best thing for the job? Angle grinder? 

[Bionic]

If you mean the downpipe flange I am not sure that it would be possible, the cat flanges the same. Most joint flanges are 8mm thick at the most. As there is a lot of stress with the heating and cooling cycle plus the necessary required rigidity of the joint it may not be advisable. Perhaps someone else has attempted it and will get back to you. I would wait until then.GudLuk

[Kevin Wood]

Not many jobs you can't do with an angle grinder if :

a) you've got plenty of cutting disks
b) you're not one for aesthetics

 

Kevin

[hotel21]

Not many jobs you can't do with an angle grinder if :

a) you've got plenty of cutting disks
b) you're not one for aesthetics

 

Kevin

agreed!

I'd be lost without my angle grinder....  Great for removing rust etc from brake discs as well, if you replace the cutting wheel with a very heavy duty wire brush. 

[Varche]

Another possibility is to angle grind the bell ends off and then have a six inch long oversize tube welded onto the cats end and cut some slots in it and secure onto the exaust system proper using U clamps. That is what I have on mine following a nasty encounter with a rock away from home 5 years ago.

It works but is truly a pain as whenever I have new cats or new exhaust I have to go down to Malaga and pay 15 euros for both sides to be "bodged". It does get through the MOT though.

Varche

[Bent valve]

Another possibility is to angle grind the bell ends off and then have a six inch long oversize tube welded onto the cats end and cut some slots in it and secure onto the exaust system proper using U clamps. That is what I have on mine following a nasty encounter with a rock away from home 5 years ago.

It works but is truly a pain as whenever I have new cats or new exhaust I have to go down to Malaga and pay 15 euros for both sides to be "bodged". It does get through the MOT though.

Varche

Thats disgusting

[JamesV6CDX]

In all seriousness -

I've searched high and low, can't find my angle grinder

 

Is there another method? I'm guessing I'd be there all day with a file 

[Bent valve]

Try your local engineering works /machine shop. literally 10mins work on a lathe.

[Bent valve]

Try your local engineering works /machine shop. literally 10mins work on a lathe.

Erm, after a rethink I suppose you cant really remove them from the downpipes that easily! Just go out and buy a cheap grinder

[unlucky mark mv6]

Try your local engineering works /machine shop. literally 10mins work on a lathe.

Erm, after a rethink I suppose you cant really remove them from the downpipes that easily! Just go out and buy a cheap grinder

Agreed,get down to wickes and slap 20 odd notes in the cashiers hands,and walk out with a nice 115mm angle grinder,and beleive me they can take some stick.

[Marks DTM Calib]

Its only a few mm thick so a hack saw would work....