Has anyone gotten their headers coated by Jet Hot? If so was it worth it?

 

I have Jethot's Sterling silver on my Comptech header, stainless steel will rust if left unprotected due to exposure to high temperature. Exhaust gas also exits faster at higher temperature, yield slightly better flow.

 

I see you live in So Cal, I live in Vegas. Did you have to send your headers in or is there a shop in California. I have comptech headers as well. Did you feel a diference in response.

 

everybody i've talked too on this forum and other import car forums have reinforced that it's really not going to get us any gains for our particular engines. it's more geared towards headers on big block v8s that run at much much higher temperatures. it's doubtful you would be able to measure any efficiency increase, although i won't say it's impossible.

of course that doesn't mean you shouldn't get it done for environmental protection, although TunedTL, i don't think you need to worry about SS rotting very quickly. it will happen over time but it should take significantly longer than the regular metal the stock exhaust pipes are made from.

SSTS

 

Well I do believe there are some heat reducing properties in the coating so...

cooler engine bay = cooler engine = slightly better performance

 

well this is empirically true, but i highly doubt we will see any measurable difference on our cars. my friend's 85 mustang has headers that can get up around 1000 degreesF, that's really where you would see the benefits of heat shielding and coatings like jethot.

it would be interesting for someone to try though. get some flow readings and dynos.

SSTS

 

jjkilgallon,

Yes, I fedex my header to Jethot west coast address. I believe it is in Arizona.

SSTS,
I am sure SS will hold up better than cast steel, but Comptech header is known for discoloring after a few thousand miles. Take a look at a picture I stole from a black market sale of an used Comptech.

Here you see the mounting plate to the engine is already begin to rust, the pipes are discolored due to heat stress. With Jethot coating, you maintain the original sterling silver or black.
Not that it is important for everyone, but some may want better look considering spending >$1000. They want to pop the hook and not have a rusty, discolored look.
It is also not cost effective to run a dyno for a $120 coating. Like NSXNXT said, it reduces heat in the engine bay because exhaust gas radiates heat. This quote from BMW forum, understand M3 has a different engine but it is still V6. Gas can be as hot as 1000 degrees F

I already mentioned the 3rd benefit, of keeping exhaust gas hot, as hotter gas exist faster, which equal to lower backpressure.
Afterall, it depends on what you want, would coating give you what the gain of UR pulley, no. But am I satisfied with the result, yes.

 

increase in temperature will results in increase in velocity... i think. this is one of the more understated benefits to doing these coatings. i am going to try coating my whole exhaust, i'd like to see what happens.

 

Jethot coats inside and outside the exhaust pipe/header. However, I am not sure they can coat resonator and mufflers. I believe after the cat the temperature drops significantly, performance and rust preventing benefits may not justify additional cost. But just like any mod, it is a personal choice.

 

actually jethot is starting to promote benefits of coating the cat. it's not one of their bigger advertisements, but in their informational material they do bring it up. many aftermarket exhausts (catbacks) come coated as well. for higher HP motors, i can see a benefit. and for low HP motors, i guess it comes down to personal choice.

 

Could you post on the detail of coating the cat. I am interested to find out how they get around to coat the inside of the catalytic convertor as they are filled with honeycombs.

 

i got this information from an enclosed pamphlet jet-hot sent to me directly:

"Headers aren't the only parts that benefit from Jet-Hot coating; it can also be used on exhaust pipes, mufflers, and even (for emissions-reducing quicker light-off times) the catalytic converter. By applying Jet-Hot only to the top and bottom intake manifold surfaces, as well as the other outer surfaces of turbocharger ducting, centrifugal supercharger ducting, and fuel-injection system air-intake tracts, you can keep incoming air and fuel cooler by insulating the charge from radiatn engine-compartment head."

i plan to send my cat and intake manifolds sometime this year.

 

I've heard great stuff about High Performance Coatings or HPC.

They're widely involved in motorsport.

Some of their racing milestones.....

14 - Indy 500 winners
14 - Daytona 500 winners
4 - NASCAR Winston Cup Championships
10 - CART Championships
2 - IRL Championships
5 - 24 Hours of LeMans wins
9 - 24 Hours of Daytona wins
18 - NHRA Top Fuel Championships
5 - NHRA Top Fuel Funny Car Championships
13 - NHRA Pro Stock Championships
15 - NHRA Pro Stock Bike Championships
World's fastest wheel driven land speed record vehicle
World's fastest piston driven land speed record vehicle
World's fastest small block powered land speed record vehicle
World's fastest Unlimited Air Racer
First 4-second NHRA Top Fuel Dragster
First 300 MPH NHRA Top Fuel Funnycar
First 200 MPH NHRA Pro Stock Car
First 6-second NHRA Pro Stock Car
First 6-second NHRA Pro Stock Motorcycle

Check their site out. A great read.

www.hpcoatings.com

 

i've heard of them too.. but jet-hot is pretty good in terms of pricing and also have great warranty/backing.