orbix

On replacing my backbox I now have a big gap where the flangers meet.
Would a gasket solve this problem or would I be better getting some jointing compound or both?

Turbotits

iTrader: (2)

Did you not re-fit the gasget then? Your gonna find it very hard to get a seal without one

orbix

Thats just it, it never had one.
Thats what gave me the idea that someone must have used some sort of compound before.

Turbotits

iTrader: (2)

its possible someone has used jointing paste,But it generally blows out after a while. Have a double check theres not a gasget in there. It will be stuck hard to one of the mating surfaces. If its not there then i would reccomend a new gasget and some exhaust jointing paste

jaytc2003

iTrader: (1)

when I changed my back box I was told by a reputable scoob specialist to use exhaust paste and not bother with a gasket. My backbox though doesnt give a big gap where it joins to the centre section though!

orbix

I'm not having much luck with finding shops that sell exhaust paste or compound but I have found an website that states you can use silicon sealant on SS exhausts!
I have a few tubes of this at home.

Shark Man

As long as its high-temp RTV silcone (often used in automotive applications) you'll be ok. Bathroom silicone sealer won't last long

Just incase anyone starts: Using silicone sealer downstream of the catalyst and OS sensor is perfectly fine

P20SPD

iTrader: (1)

Go to Halfords