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Discussion Starter · #1 ·
Hey,

Shortly after I bought my 2010 Sonata SE V6 I took a look underneath and noticed that my flanges on the exhaust system were significantly rusted, I have done some light research and seen many threads and pictures with poeple with the same issue.

No such luck here at the H-F.


Does anybody have any advice or suggestions as to parts or aftermarket parts, I have been reccomended and seen reports about 304 stainless steel due to it's resistance to rust and corrosion. especially with many of us affected by this new rear crossmember corrosion recall, I have a concern for longevity of my vehicle and if there is some more formidable material out there and I could by some parts and have them hung by a muffler shop would be ideal. coatings or sprays are Mother use But corrosion or rust from the inside out is not controllable. I've been told.the best you can do is keep maintenance and clean injectors.


lets stir up some conversation.
 

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the problem with the exhaust is that due to the high heat it's subjected to you're going to get significant rust on it. its a fact of life.

the interesting thing about rust is that if you get a thin oxide layer (rust) it actually coats and protects the metal underneath.

the rust you describe is normal and nothing to worry about. if you're really offended by it, yeah look into a performance exhaust that is made entirely of stainless. if memory serves me right, 304 or 304L stainless should be a good balance between corrosion resistance and cost. as a bonus you'd get more power out of your vehicle.

if you plan on keeping the car for many years (as i do, i run my cars into the ground hard) you'll have an exhaust hole to contend with at some point. everyone does, nature of the beast.
 

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Discussion Starter · #3 ·
the problem with the exhaust is that due to the high heat it's subjected to you're going to get significant rust on it. its a fact of life.

the interesting thing about rust is that if you get a thin oxide layer (rust) it actually coats and protects the metal underneath.

the rust you describe is normal and nothing to worry about. if you're really offended by it, yeah look into a performance exhaust that is made entirely of stainless. if memory serves me right, 304 or 304L stainless should be a good balance between corrosion resistance and cost. as a bonus you'd get more power out of your vehicle.

if you plan on keeping the car for many years (as i do, i run my cars into the ground hard) you'll have an exhaust hole to contend with at some point. everyone does, nature of the beast.

That is the plan, run it into the ground. I was thinking of having my state inspection taken care of at a local muffler shop and then having them take a look underneath and see if they had any advice or suggestions. I appreciate your input though and I think you are trying to reassure me that a catastrophic failure like a flange straight up breaking is less than likely.
 

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it is. often when you do have a failure, its not that hard to repair. between various exhaust bandages and putties, that'll get most minor breaks.

for larger breaks i simply cut the broken section out with a reciprocating saw and use heat to force fit a new section in with muffler clamps to hold. little trashy, but works well.

i run my cars into the ground well:)
 
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