how much was install and where?

 

Going to be getting the ceramic headers, but will be using with stock exhaust for the time being ($$$$$). Any comments??

 

should be good... ^ might wanna start with exhaust and TPs first....

 

Seems kinda backwards. Once you do header you are all in. Unless you are doing the install your self by the time you pay the labor for header install, you could have gone exhaust and got just as much power plus the look and sound that comes with it.

 

The STILLEN ceramic 409 stainless steel headers were $750 and the install was $650. So it's an expensive mod to do. But if you have exhaust and intake and hfc's. It really completes the package. The biggest feature on them that was impressive was the fitment. It was dead on no mods necesary. Well good luck to whoever gets them and let me know how you like them.

 

can you vouch that there were atleast some gains... ^

 

Inkum,

When building an exhaust you need to think about restrictions; what flows well in your system and what doesn't? Do the stock manifolds flow well enough? I assume so but no one knows yet for sure how well. By replacing your stock shorty equal length tubes with like designed ceramic coated mild steel tubes all you've done is possibly better controlled heat dissipation. Has the tube diameter changed? Is the merge collector different? How can these after-market shorty headers possibly flow better than stock?

If they do now where is the restriction? Stock cats? Yep. B-pipe? Yep. Stock muffler? Yep. $750 is not worth the insignificant gains you will get from this mod alone.

 

just put on stillen headers stillen hc and cobb ap today i have pics of install but it was a reall pain in the *** 2 get th o2 censors of the stock headers but as far as gains i havnt had it dyno'd (yet) but i can deff fell a big power differnce from the stock

 

just wait till you get the custom stage I have... it will give you a lil more powa...


oh yea... way to bump a supa old thread... next time just make a new one....

 

FYI, my header install was only $400.

 

I wonder if g35/350z headers could fit on the g37...

 

mine was 340:d

 

ok i know i this is an old thread but im going through hell wit my 37 just got the ap stillen headers and hfc put on but the shop couldnt get the o2 sensors off so they cut them off and stripped the threads on my stock headers and replaced them with bosch o2 sensors.the people at the shop said not to push my car till i get the a set of new o2 sensors from a diffent company i need som advice bad on what my opitons are if i just keep these o2 sensors on or do i really have 2 pay around 500 dollars for a set of the "correct"o2 sensor?