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Discussion Starter #1
New ss catted ktuned downpipe. Wrap it or let er shine.
*NOT the cat just the 3inch piping.
Any experience or anything to recommend.
 

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Good Call with not wrapping the cat.
As for the rest. it will make a small difference, nothing you will feel.
 

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It's not a bad idea. Help keep bay temps slightly cooler. Although you can't really see it, I like the wrapped manifold look.
 

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Fair warning - if you wrap your downpipe it will fatigue faster and fail sooner.


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Discussion Starter #5
Fair warning - if you wrap your downpipe it will fatigue faster and fail sooner.


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Even with t304 stainless steel? Plz explain why this would happen. By failing do you mean cracks and hole? Thanks.
 

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Believe it's due to keeping the all of the heat inside the pipe, instead of letting it dissipate underneath the car.


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I believe the main arguement would be the wrap can hold moisture. I don't think the heat is really an issue. I had my downpipe ceramic coated to help keep the underhood temps down.

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Discussion Starter #9
I believe the main arguement would be the wrap can hold moisture. I don't think the heat is really an issue. I had my downpipe ceramic coated to help keep the underhood temps down.

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Thanks dpetro, I just read about the wraps trapping moisture over 5 different websites. And it is a risk even with stainless steel.
 

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I don't have a problem with the wrapping in a fiberglass I went to Home Depot and bought fiberglass cloth big sheet shredded would high temperature paint header paint goes up to 1700 degrees some of it I sprayed it with Rust-Oleum Grill paint it goes to 1200 and so far I haven't caught fire tested it out even hit it with a blowtorch big one and already tested my exhaust temperature in my cat too and they get to 1700 at 90 miles per hour I don't have a problem with the fiberglass
 

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Ceramic coating is the way to go. Exhaust wraps can be dangerous. If oil gets on the wrap, it can catch things on fire.
Glad I paid RV6 to ceramic coat then.
 

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I'd go bare, or ceramic coated personally... I see it as a maintenance issue being avoided. If you wrap it, it'll collect crap over time and you may need to replace the wrap/etc. And *if* it contributes to premature failure... Then you're better off avoiding it. Full disclosure, my first catless downpipe from Fullrace had the O2 bung fatigue and break. I got a replacement from them and they completely redesigned to use a cast portion at the top where the bung is. I guess the point is, even stainless can fatigue and break, no reason to increase the chances of that happening.
 
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