I have a slip joint exhaust that seems to blow no matter what I do, I have found what looks like a good 3inch clamp on the bellow link but can only find them in the USA and they are 12USD each with 95USD postage

Does anyone know any sellers in the UK or any alternatives? Any help appreciated.

Stainless SealClamp 3" Pre-Formed

 

Not the same type of clamp, but have you tried something like this:
NORMA - STAINLESS PIPE CLAMP (79-85MM) - GBS-82/25

 

That shipping is excessive. I have frequently had stuff from the US. Try calling them and ask about shipping by US Mail. That should be lots cheaper.

 

i just used a mikalor clamp thats commonly used on intercooler pipes!!!

was running 3" slip jointed too with anti lag and had no problems.

 

Thanks for the replys I will give them a go a see. I Have them same style at the minute but they dont look as well made or as strong.

 

Smear 3 bond on joint when putting it together.
The clamp should be no wider than the slit on the joint.
I've got a 3" revolution systems and the supplied clamps were pretty useless leak-wise. Mikalor types have been better.