If you can find the Kroil use it. It's the hands down best stuff for rusted bolts I have ever found. I've been using it for 13 years or more and never had a bolt break on me with it's use.

 

Thanks. I'll check into it next time I feel like trying to deal with the exhaust. I'm done for today.

 

I removed the OEM bolts off and use another bolt and nut for the exhaust after the cat. I believe the OEM bolt is only intended for a few removals and installs. Any more and you will strip the threads. I did it with mine.

 

 

Exhaust bolts are stuck! How do I remove them???

 

Munckee,

I suspect that a man who owns a '74 Javelin knows a thing or two about removing rusted bolts. Thus, his endorsement of Kroil constitutes high praise in my book.

I've also heard people whose opinions I respect speak highly of PB Blaster.

Liquid Wrench is probably the most readily available penetrating oil.

I use Howe's Multi-Purpose only because I have a gallon of it and it works pretty well.

Buy one of the these penetrating oils. Use it liberally anytime you're taking things apart. Penetrating oil is your friend. If you know you are going to take something off, spray the bolts a couple of days ahead of time.

The last exhaust I did had been on the car for about 10 or 12 years. The 13mm nuts were so rusted away that I had to drive a 12mm socket onto them to get a grip. (Sears now sells a tool that would work better, but that was then.) The first attempt at removal was futile. I sprayed, tapped, sprayed, tapped, sprayed again. Then I took a short break to let the oil work its magic. When I returned, they squeaked just like Xviper said and came right off.