6cyl-97maxima

IMHO, 3" on a N/A is over kill and will more than likely look ricey. I wouldn't go bigger than 2.5" unless you are or plan to go, forced induction, (super charger or Turbo.)

CMax03

iTrader: (3)

Not necessarily true...especially if VQ35 equipped! But even VQ30 have responded really well!

If you go 3" I'd advice going with a 6" round muffler 18" long( 12649) and the largest 5" x 11" x 22" (12589) and you'll be really happy with the sound quality! The MES tubing kit are available in aluminized steel or T304 and 2.25", 2.5", & 3.0"...GL

DJ_Nismo

is this for the front (y-pipe) or the cattback ?

i'm looking for a budget setup to fit with the ebay headers/y-pipe

CMax03

iTrader: (3)

Did you look in here (http://www.mandrelexhaustsystems.com...ima/Categories)????????

Fakie J Farkerton

iTrader: (51)

Guarantee that link wasn't even clicked on.
Probably thought it was a virus.

6cyl-97maxima

Really? I understand that our motors are high compression and "breath" quite heavy, bit 3" pipe on a n/a....IMHO that's just too big unless you plan to boost In the future. I had 3" on my Mazda mx-6 turbo, but you would never catch me putting a 3" on my n/a. I'm not saying your wrong but I just can't see that there would be any substantial gains going over 2.5" on a n/a, maxima or other. Mabey on a v8 n/a.....idk, Mabey I'm wrong. I would love to see a dyno comparison. 2.5 vrs. 3". Also, perhaps the maximals respond differently than some of the other cars I'm used to.

What size is the wapseed y-pipe 2.5" or 3". Or does it come in size options.
Also, from what I know about exhausts it maters more about how fast that exhaust is pushed out and not about size (to an extent anyway). Too big and the flow slows, unless your boosted in which case the boosted air will.push the exhaust out fast, and you can go as big as you want. But IMHO with an n/a you want to find that happy medium between big and small and pay more attention to increasing flow. Ie: mandral bends, hiflow cat, performance muffler, etc.

schmellyfart

iTrader: (46)

Warpspeed is 2.5"

6cyl-97maxima

Yeah that's what I thought, so if you have a warpspeed y-pipe a 3" cat-back would be even more pointless since your big ol' 3" is bolted up to a 2.5" pipe commingle off the Mani.

DJ_Nismo

So if you install a warpspeed Y-Pipe and keep the rest of the exhaust system stock, you have a 2.5inch Y-Pipe with a 2.25 catback ? what a strange setup

ShocknAwe

iTrader: (3)

not true. A lot of theories on exhaust power say opening up as you go back is the best. 2.5in y to 3in catback. Cattman subscribes to that thinking

wrong again. dynos on this very site to prove it

6cyl-97maxima

OK, ill take a look at the dyno's, thanks guys for correcting me. I was just stating what my understanding was, perhaps I missunderstood information I had gathered in the past.
On a side note, personally I just hate the look of those big a$$ mufflers, is there any way to get the performance but still keep a conservative look? You know a clean look, not like that Honda with a stupid looking fart can on it, LOL.

[QUOTE=DJ_Nismo;8908965]So if you install a warpspeed Y-Pipe and keep the rest of the exhaust system stock, you have a 2.5inch Y-Pipe with a 2.25 catback ? what a strange setup[/QUOTE
Edited: since I was corrected I have to ask, is a 3" setup the norm for most people on hear if they go aftermarket?

I was just looking at a 3" pipe,I really was thinking 3" dia. Was a lot bigger. I guess 3" isn't as big as I was picturing

carsnwomen91

they put 2.5" cat back on honda 4cyls which is nice for <2L engines... but ours are 3L+ and 2 more cylinders and like someone said before me there are dyno proven gains with 3" on the vq30 especially up top.

the fart can you speak of is an N1 style muffler and it has a 4.5" tip. looks ricey but that muffler is so straight through it makes it sound pretty nice and clear. i took off the muffler and put a vibrant 2.5" in/out stealth matte black muffler cause i have an all stock looking max and that muffler just looked stupid.

if i can sell my cat back this year i will buy the t304 3" ... i'll take the longest muffler that can fit and 18" i think is tops iirc maybe 22"? why do you recommend round over an oval style? also i was thinking 18" res cause thats what they offer with the tubing kit, welding included. Are you telling me i shoudl get 22" one because the 18" will drone? i'll still be using a 2.5" cat

6cyl-97maxima

Well that explains why I felt the way I did, because all of my tuning experience comes from 4-bangers. All the boys at mx6.com would say that a 3" is too big unless your boosted. But all 1st gen mx-6's were 2L, 4-bangers, so that explains that. Mine was a GT (turbo) and I ran a 3" on it.
Does a 3" on the Max rob down low to give up top? or is there enough TQ down low that you wouldn't notice it?
My max is pretty much stock too which is why I too feel that a big can would just look dumb, (on MY car). pulse I like that "sleeper" look anyway. Do you have any pics and sound clips of your set-up? I kinda want to hear it. as your set-up sounds more like my taste.


thanks guys, I guess I really do learn something new everyday here.

schmellyfart

iTrader: (46)

It has only been proven on a VQ35.

6cyl-97maxima

hmmm, so there might be some merit to what I was saying after all, since if I'm not mistaken the 4th gen has a vq30.
again Id love to see some dynos, side-by-side, of the Vq30 with a 2.5" and a 3". I'd like to see where the powerband moves to in the rpm range with a 3" and if there any substantial gains over a 2.5".

carsnwomen91

i found a few threads on the 3" http://forums.maxima.org/4th-generat...ifference.html moncef was sayin he likes 3" but not sure whether this was with the vq30dek or his built 3.5. i read the whole thread and god damn did not expect that from cattman at all!

i'm gonna look some more there had to be someone that wrote about their 3" on a 4th gen i remember reading one impression how they lost a bit down low but gained up top, maybe it was a 3.5 swapped 4th gen lol i dunno i'ma keep searching...

schmellyfart

iTrader: (46)

I believe that was on his ported&cammed 3.0. Don't think he ever got around to dynoing the 3.5.

6cyl-97maxima

Thanks for serching and providing me with a link. I have to say that after reading that thread, I too am very surprised and dissapointed in Cattman! I am very glad I wasn't part of that group buy! Needless to say, I don't think my exhaust system will be comming from cattman. I mean if I'm going to have to deal with fitament issues then why not justt buy a cheap e-bay setup. If I'm paying the big $$$ then I would expect that everything should bolt up easily and not clank against anything! I would accept nothing less.
I think what I'm going to do is buy either this e-bay headers/y-pipe, or just a warpspeed y-pipe, then have a shop custom make me a 2.5"-2.75" catback with a nice high flow but conseritive muffler, a high-flow resanatior, and a high-flow CAT or a test pipe. (No emmision testing here ) can anyone sudjest good quility performance mufflers, resanatior, and high flow cats, that will flow enough to make full use of a 2.5-2.75" diameter catback. Keep in mind that I want that sleeper look.
Thanks
Nathan

PS: I.can't help but feel that my theroy on the 3" was discredited right away with.no regard that I may not have been wrong. I still feet that on a mostly stock Max n/a 3" is too big. And until I can see dynos proving me wrong then I'm going to stick with my belief.

schmellyfart

iTrader: (46)

For a VQ30, I agree with you 100%.

CMax03

iTrader: (3)

That's not true! Action(Aaron)Jackson's VQ30 made good power with the Cattman 3"....

Fakie J Farkerton

iTrader: (51)

schmellyfart

iTrader: (46)

Yes he made good power, but he also rendered the comparison useless when he installed headers along with the 3" in between dyno visits.

Not to mention that his initial dyno was with the stock exhaust, not a 2.5" catback.

Too many variables.

max ride 41

iTrader: (4)

warpspeed and my monza cattback. don't love it, but it's been solid up to this point. other than the stupid cat seals wearing out alot.

6cyl-97maxima

What did this setup cost you? What did you use for a muffler, resonator, etc? What about it do you not love? Does it sound OK?
I want a budget setup that sounds good. Any recomdations?

CMax03

iTrader: (3)

That Pacesetter Monza exhaust system is only a 2.25" tubing catback system...MES system is better! If you used you Nissan MLS cat gaskets you'd never have an issue!

6cyl-97maxima

excuse my ignorance but what is the MES system, who makes it? OS it monza also? Any links to their product.
Thanks

CMax03

iTrader: (3)

here it is:


http://www.mandrelexhaustsystems.com...EXHAUST/Detail

6cyl-97maxima

Thanks. I think I'm going to go with the 2.5" SS system from them. I wonder what resonator and muffler I can get with it that's cheap but performs good and looks clean?

CMax03

iTrader: (3)

You can go with what they offer or if you wanna save some money.....You can always go the Cherry Bomb route! I used the following components (Shopping Ebay or Amazon for these items will save you money):

Main Muffler
http://www.magnaflow.com/02product/s...=main&id=11439

Resonator
http://www.magnaflow.com/02product/s...=main&id=11352

DJ_Nismo

OKKK

I just finished to install the front pipe WITHOUT the headers

had to cut the front pipe to re-adjust it to fit to the stock headers, not so hard

I also removed the big cat so and have a stock catback

Sounds like V8 on idle and have a pshhh sound when I press the gaz (weard)

For the total price it cost it's a good option

I will post some pics soon

6cyl-97maxima

Thanks for sharing! Wen you post up some pics, can you show excatlly where you cut/adjusted to make the y-pipe work with the stock manifolds?

Thanks for the links Cmax! I think I will be going with that magnaflow 2.5" in/out muffler as well as their resonator. But not until I get my power loss issue squared away as well as get a y-pipe.

ACee

Looking forward to your photos and maybe a video?

DJ_Nismo

On this pic I cutted the y-pipe about in the middle of the 2 input, then fixed them on each headers, you can see there is a good gap.
So basicly, the y-pipe have the good size but not the right flange angle


You will also have to remove this small brackets


Here I did a small cut on the pipe to be able to pry it with a beam (keep the small part you cut to put it back at the end)


You better also heat this section


result


After that, You can weld some spot just to attach it, and then remove the y-pipe and finish the welding job on a bench



Another option can be to add a flex on the middle of the y-pipe (you can use the one you had on the old y-pipe if it still good)


I will upload a video later, I have a leak for now lol, need more welding..

BONUS pic ! One of my new summer wheels beside the ugly winter wheel

max ride 41

iTrader: (4)

did you delete the cat? if so, i'd fail inspection here in pa.

DJ_Nismo

cat is deleted

the muffler sound like there is too much air flow lol I will maybee need to change it..

I also have a ses light :/ I will check it tomorow

Ok my resonator was rusted on the top.. I just change it for a pipe... omg now its loud lol
I'm not sure if I like the sound.. the original Nissan exhaust sound like it can't take it

SES is now gone, it was a P0600.. weard

ACee

Sound clip?

DJ_Nismo

https://www.dropbox.com/s/cgfdu5e47aiz3u8/VIDEO0050.mp4

its horrible lol

I think I will have to go to another garage before I got a ticket lol

muffler is dead or the welding is really bad

UPDATE !

I now have no more leaks..

And changed the exhaust for one from a i35..

It's a very big exhaust but still can fit

After viewing alot video on youtube, I understand that all "nice" sound is when they have minimum 1 cat and changed the exhaust for a sport one

So for me, because I removed all cats (3) and using a stock exhaust, I get a not really nice sound above 4000rpm

But if I run under 4000rpm i'm ok, compare to a sport exhaust that make a loud noise at any rpm and can attract cops by the look



To resume I have stock headers with modified Y-Pipe from Ebay, no cat, no resonator, and a exhaust from a i35


Here is a video

https://www.dropbox.com/sm/create/VIDEO0056.mp4

You can hear the background noise from the highway, first I rev it to 4000rpm, then to the red, and then to 3000rpm


I'm now thinking of installing a high flow cat or a resonator, i'm not sure of what can remove the "can" noise I got after 4000rpm

kenc15

iTrader: (1)

I just installed a set on my max and I will tell you to stay away and save the money and get a better quality one, because this one has fitment problems and leaks bad. about to take it off and scrap it.

CMax03

iTrader: (3)

Can I have the scrapped headers Please?

kenc15

iTrader: (1)

Yes sir, you just pay for shipping