Separating corroded exhaust

Started by idris, October 12, 2019, 09:40:36 PM

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I need to get my silencer off, and possibly the pre-muffler. I can't get separate them due to corrosion.
I've tried Plusgas, heat, tapping with a hammer to crack the rust, gently prying the union open with a screwdriver ... and it ain't budging.
Twisting or waggling the end can around just moves the pre-muffler by exactly the same amount.
Short of cutting them apart, any thoughts on what I can try next?


You seem to have covered all the tricks...other than saturating with WD40 or alike and leave standing for a few days chopping may be the only option left if they have fused together with rust.

Lord Danoir the first

Time and determination will sort it.

When you run out of both, chop it