Rusted exhaust part deux

2048 Views 10 Replies 4 Participants Last post by Chris X, Jul 27, 2010

RoverABQ

Discussion Starter · Jul 25, 2010

Ok so my center and rear mufflers are rusted through. I'm thinking about simply going with a magnaflow single tip system. The isssue is the connection to the center muffler from the cats is seriously rusted as well. Not sure after I take it apart that it will even be usable. And not sure i can cut the connection off and have a new one re-welded. I hate to have to replace the whole cat system. Any thoughts.

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leftlanetruckin

· #2 · Jul 25, 2010

The tubing looks weldable to me. Bracket is obviously wasted, but looks like the tubing would clean up OK.
No way to tell for sure until you get into it and give it a little cleaning up though.

Martin

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RoverABQ

Discussion Starter · #3 · Jul 25, 2010

Was hoping to be able to install the magnaflow myself without a trip to the exhaust shop to weld on a new bracket. Oh well. I'll clean up the tubing around the bracket to see how bad the rust is. Although it's not rusted through on the tubing the rust looks pretty deep. Hope I can weld it.

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leftlanetruckin

· #4 · Jul 25, 2010

Deep surface rust IMHO. I would be very surprised if it didnt take a weld without issues. You may be able to clamp it on if welding is an issue, tube looks good enough for that to me.

Martin

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RoverABQ

Discussion Starter · #5 · Jul 25, 2010

A standard 2.5" clamp on bracket? What would be the correct term for a bolt on bracket btw?

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ferret

· #6 · Jul 26, 2010

exhaust flange repair kit, I was thinking about getting one too, as my exhaust is near it's end and my cat flange is rusted out

http://shop.advanceautoparts.com/webapp ... 93823863-2

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RoverABQ

Discussion Starter · #7 · Jul 26, 2010

ferret said:
exhaust flange repair kit, I was thinking about getting one too, as my exhaust is near it's end and my cat flange is rusted out

http://shop.advanceautoparts.com/webapp ... 93823863-2

Thanks.

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Chris X

· #8 · Jul 26, 2010

If you go the clamp route, spend a few extra bucks and get stainless steel band style clamps rather than the u-bolt style. They won't rust and in my experience hold better, although you may need to go torque them a little once or twice a year. Something like this or just the flat ones:

http://www.jegs.com/p/JEGS/JEGS-Preform ... 4/10002/-1

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leftlanetruckin

· #9 · Jul 26, 2010

Chris X said:
If you go the clamp route, spend a few extra bucks and get stainless steel band style clamps rather than the u-bolt style. They won't rust and in my experience hold better, although you may need to go torque them a little once or twice a year. Something like this or just the flat ones:

http://www.jegs.com/p/JEGS/JEGS-Preform ... 4/10002/-1

Thats what I use on the big rig, and they are indeed a LOT better than the u-bolt clamps.

Martin

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ferret

· #10 · Jul 27, 2010

Does the cat flange have to removed?

Chris X said:
If you go the clamp route, spend a few extra bucks and get stainless steel band style clamps rather than the u-bolt style. They won't rust and in my experience hold better, although you may need to go torque them a little once or twice a year. Something like this or just the flat ones:

http://www.jegs.com/p/JEGS/JEGS-Preform ... 4/10002/-1

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Chris X

· #11 · Jul 27, 2010

The band clamps go over the joint where the two pipes mate. Just like a traditional U-bolt exhaust clamp. So yeah, you can't have a flange in the middle of it.

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