10x30 is fine, 10x40 bolts will also work but will stick out about 1/2" further past the flange but might be easier to torque down if you're under the car and installing them yourself. Just make sure the pitch of the bolts match the nuts.

 

Some where around here there is a member who did the coating, I think it ran him around $300, but I can't remember for sure.

I did some searching, but couldn't find the thread. He had pics in there as well.

 

ok so i have megan racing and they are good but make weird buzzing noises from the welds on the inside of the pipes. it sounds close to a turbo but sometimes annoying. from what i have learned xs is the best for your money. dont get obx because they always place there holes for the o2 sensor in the wrong place. comptech iss the best but is also wayy more money.

 

Either will work. The last # is just the length.

 

I won't comment on who has the best header.
But for everyone's information, our model just dropped $100 to $1149MSRP.

-Nate

 

wow, now its only $1k more than xs headers..lol..thanks for the info

 

lmao...I wish I had some extra $$$ to buy CT's, but the $1149 fee is a bit steep....
Aaronsredtype-s: with the $1K you can get roughly 9-10 more xs headers...lol

 

Coating is actually done to REDUCE heat, not keep the pipes hotter. That's why it helps your engine bay by producing less heat from the headers, thus having less of an effect on other parts that may be affected performance wise in the engine bay. The outside and inside of the pipes are coated to allow the hot exhaust to escape faster which helps prevent heatsoak from occuring.
Comptechs are the way to go imho, although they are expensive. I've had XS and they didn't work out, had leaks and hissing from the flex pipe. Wrapping them with adhesive exhaust wrap didn't help and wrapping it with cloth exhaust wrap didn't do much good either. Ever since I put the Comptech's on, I've had zero problems, and when taking the XS headers off and comparing them to Comptech's, I noticed the bore of both XS headers were smaller than the bore of the Comptech headers. I have a pic somewhere that I'd have to dig up. To each his own though, it looks like the quality of the XS headers is getting better which is a great thing.

 

i am ordering my xs or ss autochrome headers in the next few weeks i cant justify spending 1149 for headers when you can have ceramic coated xs headers and new hardware and gaskets for half the price or less.

 

I could be wrong, but I think we are both right.

The wrap keeps my engine bay cooler by keeping the heat in the pipes. I believe the ceramic coating does the same thing, it insulates the pipe so the heat isn't released into the engine bay.

 

Just keep an eye on black market. I got my Comptech for $500, will be installing it sometimes during thanks giving.
Original plan was to go with DC header

 

OK-regarding the primary tube "bore "( actually diameter) - 1 5/8 is plenty large for a 3.0-3.5 displacement v6( and small v8) so going larger than that will shift torque curve to mid to upper rpms. smaller primary tubing( but definitely larger than factory restrictive port size) will aid scavenging, and help with breathing and give a broader torque curve- meaning more of it available at wider range of rpms, instead of just high rpm. also- keep in mind the collector where these pipes merge, if these are too large- the problem is compounded. So the ideal layout isnt just size, but flow, velocity, fit, and the merging of the pipes. So, the Xsp, Jvt and others should emulate the best brand in design, BUT affordable like Xsp, Jvt, megans etc. Seems like Xsp are proving to be a steal- but Jvt yet to show it's superiority(if at all.)

 

Prototype headers look nice..i'd like to see their pricing...hello comptech prices again? nah. give me Xsp or Jvt.

 

Buy a set of used comptech ,mine have been on my car 8 years , still like new
Ps
I known some one selling them now

 

Bringing this one back from the dead. Price aside, how do the DC Sport headers compare to the XS Power? I don't think I can justify the money for new Comp Techs, so it is between these two companies.

Thanks,
Sean

 

Is it my imagination, or have a few people on this forum had problems with XS headers cracking?

 

I have seen that too, but like someone in this thread said you can buy them 11 times before you have got to the cost of the Comp Techs. I would LOVE to have the Comp Techs, but not for that price. So that leaves DC (not thrilled that they are not stainless) or the XS Power (not thrilled that they are XS).

Sean

 

i think picking headers for auto is easy, get the dc unless you really want comptech. For the manual it is a harder decision since its either 1100 headers or 100 headers. For manual i would suggest used ct.

 

It looks like the XS arent avalible anymore, is that true? It is looking more and more like I will get the DC Sports, I just wish they were stainless. Maybe Ill just make my own.

Sean

 

yea they dont make xs anymore. ive had mine for years with no problems. best $100 i ever spent. the only thing ive had to do to them was to get the bottom of them welded. i scrapped a hole in the header because my car is so low lol.

 

word. I had XS header little over 2years without any problems!

 

when i threw my CT's on the motor noise wasn't even louder than the stock oem exhaust. mine you i did wrap them in dei header wrap but still I was impressed regardless. i didn't pay the 11-1200 tho... got them for under 5.

over a grand is just too much i think for one mod.... aside from rims and exhaust system.

but that's just me

 

i wouldnt even pay that much for exhaust.

 

DC sports or CT for known headers Mugen makes some as well and they are under $300
http://www.jdmhub.com/index.php?rout...67_25442_60673

 

Those are MEGAN not MUGEN, huuuge difference between the two companies lol.

 

hey man they both start with a M

 

Yeah, no kidding when I saw that I was like "NO way is anything Mugen under 300 bucks )

It looks like I will go with the Megan, at least try them out. I really hate the crappy ceramic coating on DC headers, and I don't want to pay to have them re coated. If they made them in stainless Id be all over them. When I get them I will let everyone know how they are.

Sean

 

i bought the Speed Daddy Headers from Ebay and ive had them for over 50 k miles! and they work great IMO!
Only thing just replace the Mini FlexPipe with a straight pipe!

 

Little bump on this thread as I had to do a little work onthe XS headers yesterday. I was getting an annoying buzz between 2700 and 3000 RPMS from the flex pipe as my exhaust wrap had worn away (it lasted almost 3 years in New England weather). While I was under the car the only issue I saw was a bit of rust on the exhaust hanger. Other than that, no signs of cracks or any other issue. At this point for the $97 I spent on them, I certainly can't complain.

BTW, the re wrap of the flex pipe took care of the buzz 100%.

 

What about DC any issues with them?

 

bringing my 4 year old thread back to life.
After researching, if nobody has ct or xs headers on the black market, I am buying
JVT headers for an automatic, and getting them rewelded to fit my 6spd...

 

thats going to be a pain in the ass.

 

you can always shave down the rear mount bracket.

 

isnt that very dangerous to do?
that has to affect something dont ya think?

 

yea its dangerous but you barely have to shave much.

having shitty headers cut and rewelded will bring you more problems than its worth.

maybe

 

What's wrong with the ceramic coating on the DC Sport headers? is it just an aesthetics thing? Or are you saying it doesn't do what it's supposed to?

 

Does not effect anything I should know I probably have the rear bracket shaved more than anyone. with dc headers you have to shave off a lot. I posted a thread a while back with pics. I would not recommend using dc headers because of the risk of breaking the bracket although mine is still good. If you use obx or comptech its very little that gets shaved so you should have no problems at all. https://acurazine.com/forums/2g-cl-2001-2003-50/fitting-dc-headers-6-speed-808874/

 

I just wanted to state that Ive had my XS headers on my car for 5 years now without any problems. I do recommend getting new bolts and gaskets though. BTW-I have a CLS with a 6speed. I even posted my dyno sheet after i installed the headers and AEM intake.

 

And where can you purchase a set of XS headers new right now? I sold mine a couple years ago for 3x retail shortly after they stopped selling them. They've been unavailable for almost 3 years now.

 

The best is almost always a custom job; Whether it be intake, headers, exhaust etc. So it matters if you are willing to go custom or not.