Header wrap

[Drift King]

I'm thinking of heat insulating my headers. What are the benefits, how does it work technically? Also, what is a good brand to buy?

[BullShifter]

Wrapping the headers maintains exhaust gas heat within the header. This translates into more exhaust flow due to maintaining exhaust temperatures as it flows out of the engine. By improving the scavenging of spent gases, the engine breathes more efficiently. This reduces contamination of gases, thus allowing the engine to develop more power. Also reduces under-hood temps. It does however void any header warranty's

[afroeman]

There's the tech part, as for the Brand, if your headers are stock then I suggest getting brand name. Something like DC Sport or AEM are the ones I would use. If they're aftermarket then I would use the same brand as the header you got. You should be able to find stuff like that at a local auto parts store or wherever you got your header from.

[BullShifter]

4 cyl has 1 header, not headers. If its stock then its a exhaust manifold not header.

[strodda]

ive heard that the wrap can cause the header to rust or corrode underneath... is there any truth to that?

[BullShifter]

Originally posted by strodda
ive heard that the wrap can cause the header to rust or corrode underneath... is there any truth to that?

Something like that, I guess thats why the warranty gets voided.

[kesnut]

Originally posted by jackasssi
4 cyl has 1 header, not headers. If its stock then its a exhaust manifold not header.

is whatz a header and whatz a exhaust manifold?

[Ricochet]

Originally posted by kesnut

is whatz a header and whatz a exhaust manifold?

I wish there were a newbie forum where people couldn't post anywhere but there until they hit lvl 1 or something.

[Ricochet]

Originally posted by Drift King
I'm thinking of heat insulating my headers. What are the benefits, how does it work technically? Also, what is a good brand to buy?

The hotter something is, the more it wants to expand. Insulating your HEADER will cause it to reach higher temperatures, making the exhaust gas inside want to expand more. The only place it can go is towards your muffler, so it will have a higher exhaust speed, thus keeping those spent gasses from sneaking back into the combustion chamber on the next rotation.

[strodda]

Originally posted by Ricochet

I wish there were a newbie forum where people couldn't post anywhere but there until they hit lvl 1 or something.

haha, yea my exact thought... kinda made a little sense until he threw that "is" in the beginning of the question. maybe typing is his second language.

[Frostbyte]

Originally posted by jackasssi


Something like that, I guess thats why the warranty gets voided.

No the Warranty gets voided because the header wrap keeps the head inside the header which can cause the header to crack under high heat.

[Frostbyte]

Originally posted by afroeman
There's the tech part, as for the Brand, if your headers are stock then I suggest getting brand name. Something like DC Sport or AEM are the ones I would use. If they're aftermarket then I would use the same brand as the header you got. You should be able to find stuff like that at a local auto parts store or wherever you got your header from.

Also AEM does not make headers.

[BullShifter]

Originally posted by kesnut


is whatz a header and whatz a exhaust manifold?

Manifold - stock
Header - aftermarket w/ 4 round tubes

[kesnut]

Originally posted by jackasssi


Manifold - stock
Header - aftermarket w/ 4 round tubes

orrrrr
itz az simple az dat....
i was thinking there was more to it.
Thankz

[BullShifter]

thats the basic idea - there is a lot more to it. If you want a better explanation try www.google.com or some search site.