where can i find these...like people at the street races with maxes tell me about headers that give 20-40hp...what the hell...is this true?...if there is...i wanna know where i can get it...but are there aftermarket headers that will gimme some good power gain?

 

http://forums.maxima.org/search.php

please search, this topic has been talked about a lot. in short... its NOT worth it. it was tried and gave just an increase of 1 hp.

 

1 HP power increase was from bored out headers, not aftermarket headers.

Llfe, do search man, the only way you can get headers is if you import them from new zealand. The HP increases are simalar to a Y-Pipe's.

 

umm... wasnt the increase 1hp over using just the ypipe? i could have sworn i read that, if it was wrong, i apologize.

 

didnt you get headers emax? maybe im thinkin about someone else. i remember someone getting headers from the new zealand place but dont remember what results it produced...

 

Ya, look at my sig.


Mechanic, I was the guy who imported the headers, I did a base line dyno with a oem Y-Pipe{stock} and then I dynoed with the headers. The largest gain I got in the power band was about 9 HP and 10 TQ.
Donintexas, bored out his stock headers and got a 1HP gain, you are probably thinking of that. I might being doing another dyno tomarrow if I get a chance.

 

Most exhaust fabricators with any confidence in their skills should be able to make a set. But the results vs cost/time will depress if running N/A.

 

There is allready a "set" made.

 

Yeah, if you want to buy sight unseen from thousands of miles away.

I only meant I'm sure plenty of US workshops could do the same work.

 

Ethan, dont forget, your gain was also because the Y-pipe was replaced WITH the headers.. that only could have given you what you got. :gotm:

 

Don't worry, I did not forget..

BTW I did have 2 exaust leaks on my header dyno, so I still wonder how much I really gained? I guess I will never know..

 

find out

 

I can't really because I added a UDP and gave my car a mutch needed tune up. I am going to try to get the car tomarrow just to see if I am any where near my 200 FWHP goal .

 

 

 

 

other cars get more HP with a header mod. Another thread said 30-40hp for an eclipse w/headers. Guess the max's headers are not that restrictive.

 

wow i wasnt aware you gained 10 horses with the headers.. Hell i dont have a y pipe so maybe i should get these headers with their built in y pipe...

Adam

 

hey emax95...how much did u pay total for the headers and shipping?

 

With Ethan's PPC Headers, I took into the fact that his car had been sitting since he got his I30, and was in need of a tune-up. I didn't expect much from his header dyno then. Just like when I installed my ECU, I saw major gains, but I didn't see as much as when I did my tune-up. Gains for the headers on a NA Maxima should be similar to that of a y-pipe with an advantage of 1-2 hp for the headers on the top end. When doing forced induction, however, the gains are more pronounced as exhaust gases flow at a higher rate. Basically, if you plan on doing a supercharger or nitrous, the headers will give you the optimum gain.

P.S. Ethan, be ready to import some more headers for me coming up in the near future!!!

 

About $650 shipped 3 day Fedex international express mail. Theres a good chance I will be removing all my mods in the following days so keep an eye out. I may put my headers on ebay though, I am not sure yet.

 

I think for some of us with the s/c could get some nice results with those headers. They include the y pipe right? So if you do all that and get 10 and should have the rest of the exhaust for max flow they should be pretty good. mmmmmmmmm...s/c those headers custom b pipe and muffler i bet it would be 20hp right there. Man with the 80 i gained already plus that 20 plus the 60 im gonna get with the intercoller smaller pulley and ecu, crankshaft,fuel....o it's gonna be nice.

By the way i'm taking donations now.

 

Get in line

 

tell me when u put the stuff up for sale

 

Just keep an eye out . I have a LOT of wrenching to do these next few day's .

 

2k2