Z1 Post MAF Tubes
 

Attachment 41025

Here is my review on the Z1 Post MAF Tubes. Yesterday i recieved my tubes from Z1. I installed them after about 30 mins and they came out great. Took the car out today and what a difference. I have the Automatic transmission so i will give my opinion on how it felt in regular auto and in manumatic. Now I have ordered K&N drop-ins but they will not be delivered till Friday. Anyway once they come in i will update this post with how it felt with them installed.


Tubes installed I went with the black tubes to keep a somewhat factory look under the hood.

Appearance 8/10:
The tubes come packaged together really good and they are pretty straight forward. Installed you can tell it is not the factory rubber tube but it is not completely hideous you can just tell the difference.
Ease of Install 9/10:
Would have given a 10 but because i do not have a full set of tools and the shop i usually do my work at was full i decided to do it at home. I recommend using a flat head a pair of pliers and a socket wrench to remove the strut bar with that out of the way i imagine sliding on and off old and new tubes would be a breeze. Also siver tubes on the Post MAF tubes need to be removed so plastic tubing can be inserted into the new tubes.
Sound 10/10
The sound change is not crazy but it does sound better as you go up in the rpm range. I assume once the k&n are put in I'll probably here more of a sucking sound as I still have the OEM filters in and the air does not flow as freely through them.
Power 10/10
Now as we all know the factory air boxes are kinda in their own way CAI so adding the tubes only make them better. I am not sure if it was just the temp change today 33 degrees but in auto mode car felt more responsive. I gave it gas and it just went no real lag from when i pressed the pettle to when the car responded. Also it didn't feel as sluggish going through the power band if that make sense.
Manual Mode: I only went through 2nd 3rd and 4th only to get up to speed as not to get a speeding ticket. And then a pull through 4th from about 25 up to about 50 giving it about 40-45% of peddle. From 2nd through 4th it pulled smoothly and pretty hard and sounded great too might i add. Now on the pull in 4th from 25 to 50 it pulled as if i was in a lower gear. And when I say pulled this is when the 40-45% peddle press comes into play usually i would have to give it more gas than that to get it to speed up with some balls if you will. Now it kinda just does it.
Overall Satisfaction 10/10:
Now I know that these are actual CAI but for what they are and the performance difference i feel with them in w/o the drop-ins installed yet is amazing. I think they give the car just what it needs so that it can put down the power that the engine makes.

Up next I will be getting a set of TP's or HFC to help expell the gases better. Hope this helps anyone who was on the ropes of buying these or getting a CAI system.

How much did it cost?

108$

Z1 Silicone Post-MAF Intake Hoses

^^thanks.

so there are no clamps, I see, the hoses just wraps over the throttle body and the tube from the airbox. Is that right?

The stock clamps can be reused with the Z1 PMTs.

Nice review MrZ :tiphat:

Nice review...it says on the website that it will not affect your vehicles performance.

:iagree: I asked the guys at Z1 when I was down there the other day if it gave you any power, and they said no...

Thanks guys

I was not trying to say in my review that it felt like the car had more power. I was saying that the car just felt more responsive and the power the car has just seems more there sorry if my post was misleading

Got Some on Order
 

I ordered a set of red tubes myself and i cant wait to put them on. I have k&n on order too. And great review by the way Mr. Z. If you are not looking to spend 500 plus cash on a CAI, then this is the way to go. I heard good things about the Z1 Post MAFs. I cant wait to get mine. Not looking for a performance boost but something that will make my Z breath a little better. Since the temperatures here in texas does get high during the summer months. You can order the tubes and the K&n drop in for about 208 dollars from Z1 which is a good deal.

Weird, these tubes are just like the tubes from HPS, and they do have a performance claim to them... along with others who have dyno'd them...

Don't some of the others claim 4-6hp gain from just the tubes?

yup... long story short, and many threads covering it, but when Panel Filters are added as well, they are only very few WHP away difference from the CAI apparently... The cost difference doesnt really justify the performance difference...

http://www.hps-siliconehoses.com/09-...-post-maf.html

I guess this is more for a cosmetic mod. It's doubtful that these tubes will gain any hp. The review is kind of misleading with statements like "what a difference" and "power 10/10". I'm not hating, I just don't want myself and others to drop these in and expecting a difference in power but then being disappointed.

Thanks for the link:tup:

hmmm weird that Z1 says there are no power gains when the design seems almost the same :confused:

Smart play on Z1's part. The dyno is already out there for the exact same product from a competitor, so why put out HP claims that will only prompt people to bitch if they don't get the same dyno results.

Correct, i wouldnt make a claim on this. If people undrstand how they work and everything they do, that should be enough.

Hell yea!! If you buy it good for you and if you don't then good for you as well. Mine is on the way. :)

i have the hps version of these. i like em, i went with afe dry flow pannel filters however.

did i gain power? i have no idea. but with all the documentation and evidence that cai's dont do much on our car,besides in the high rpms i determined that the $500 + wasnt worth it.

some people are all about these,and others are all for the intakes.

that moment when you want to get in on the conversation but realize that the thread is almost 5 years old..... :ughdance:

Yup,this thread is old. Here's mine. I DIY'd but they were kind of hard to get on. It would have been easy had I removed the strut beam but could not get those bolts loose.

Attachment 105628

They look really good! Most users claim to feel a better throttle response after installation. Have you noticed that or other improvements in performance?

Also curious about this.

A waste of $108 it seems.......... :(
I was gonna buy these tomorrow cause I'm not far from Z1, but after reading this, I'll keep my money.
How does it breathe better, but gains nothing??? Will it make the K&N Filters perform better?
Other than that, what's the point? Is there a cool factor of having these under the hood where Some would waste $108 for pretty much ............NOTHING!!!

A long time ago someone posted the gains from these. They were just short of the long tube intakes people put on, but keep more mid range power. I believe the dyno showed a 6 - 8 hp gain. Again, this was years ago so im not sure where to even look for the info. It was on these forums though...

You are right. And the $500 metal tubes create heat soak. Better to stay with these...

twasssss me......they did gain around 5.6 rwhp hp

Was that with a tune?

Ok cool, thanks for the info.

No tune. I had the hps post mafs. Pretty sure z1 is the same. This time im going with mishimoto

Are there any differences between any of them?

I really dont think so... All i remeber is z1's could have been a bit longer on the passenger side. The hps fit spot on

Mmmmm? I'm not sure. Maybe a little. Such things have can have a placebo effect. I put these on shortly after I installed a F.I. CBE so I attributed most of the improvement to the exhaust. I did the intake tubes to clean up the engine bay and make it look better. I bought the side tubes (see pic on my earlier post) to get rid of those ugle little oil-catch boxes that I'm told do absolutely nothing on a non-turbocharged engine.

I also keep all the old OEM parts in case I ever sell the car and someone wants it put back to stock. "Here's the parts...knock yourself out!"

the mishimoto fit really bad on the passenger side.. have them on my car

Z1 doesn't have steel wire inside to keep the shape so under WOT the tube doesn't collapse. I don't think it's a issue because it's really thick silicone. HPS I believe does have the steel wire. Only difference I know of.

That is correct on both, the hps is imho the way to go

Im curious about mishimoto... Hps>z1

I assume you meant to say the Z1 DOES have steel wire inside. Their description on their website says it does, so I would think these are the same as the HPS...

Question for you. I just bought the Z1's to replace my HPS tubes and I bought the Silicone tubes for the breather pieces. I read some people having fitment issues with the passenger breather tube being crimped when installing. Did you have this problem?

I bought these to replace the HPS becuase the driver side plastic baffle piece cracked in half and I wasnt sure how to fix it, so decided to replace with post MAF tubes and the PCV Breathers...

When I had mine installed it didnt crimp. There are many ways to do it, one of the small connecter pieces could be used which makes it a bit contorted, also the MAF tubes can be rotated as well to make it easier.

i had to cut my z1 just to fit. I can assure you there was no metal wiring anywere in the contruct of the tube its just rubber