MOTORDYNE ART Pipes - Review
 

Firstly, I will be as unbiased as possible, I have run many configs of exhuast , HFC's / Test pipes on my vehicle both in a tuned for and bolt on state.

4 different TP and HFC variants prior to this test
Three different Y pipes
3 different intake set ups
2 full CBE's
Various tweaks for above via EM.

Today up for test are the MD ART pipes.

Mods at time of install.
Y pipe, K&N drop ins, stock ECU so purely a bolt on comparo.
I was going to wait till after xmas to do this but when I have car stuff waiting for install I gots to jump on it:tup:

I got the pics and idle video today, impressions below... I will get fly by / third party video during xmas break and update this thread accordingly, also will be going back to my local dyno to compare to previous runs.

Update - Vids post #35
Update - Dyno info post #80

So....
Buying experience.
Tony seems a very sound guy, easy to deal with, lots of time to respond to ?'s , straight up buying experience.
Delivery / Purchase
Spot on, super quick and very nicely packaged - good comms.
http://i116.photobucket.com/albums/o...Z/IMG_7285.jpg
http://i116.photobucket.com/albums/o...Z/IMG_7286.jpg
Pipe Quality
Very good, nicely done, great quality.
http://i116.photobucket.com/albums/o...Z/IMG_7288.jpg
Speak for them selves
http://i116.photobucket.com/albums/o...Z/IMG_7289.jpg
http://i116.photobucket.com/albums/o...Z/IMG_7290.jpg
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Comparo to stock units
http://i116.photobucket.com/albums/o...Z/IMG_7299.jpg
http://i116.photobucket.com/albums/o...Z/IMG_7300.jpg

6.5 lbs saving pair for pair, sorry scales stuck on Kg:shakes head:

http://i116.photobucket.com/albums/o...Z/IMG_7305.jpg
http://i116.photobucket.com/albums/o...Z/IMG_7306.jpg
Fitment
Spot on, no issues - clean, tidy install 45mins.
http://i116.photobucket.com/albums/o...Z/IMG_7307.jpg
http://i116.photobucket.com/albums/o...Z/IMG_7308.jpg
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Video - idle and rev up
http://i116.photobucket.com/albums/o...h_MVI_7313.jpg
Driving impressions

So - Nitty gritty time, car had been idle for 2 weeks, fitted these, reset ECU and went for a spin.
Sound - Simular volume to HFC's, no massive rasp as usually associated with regular TP's, VQ 1800 rpm hiss is there but it was even with my stock cats. On full throttle very nice, got a good growl down low.
TRQ - Feels improved, especially around 3K, normally in my experience with TP's I have lost a little TRQ, these actually seemed to have picked up some for sure.
HP - Def makes a lot more power, RPM band is smoother and pulls a lot harder up top as expected.

Over all from first drive, based of learning ECU is...these are a great bolt on, the usuable power is great, the TRQ is very useful mid corner etc.
Going through the gears (VDC Off, I never have it on;) means from 3K in first, plant the throttle, its fish tail till second, now instead of chirpping a little in second its a full on slide to redline, good fun for sure but shows a siginificant gain on my vehicle.

Like I stated , I will get motion video as the time over holidays permits, also will return to dyno for concrete numbers in new year.

Planning to get me an intake manifold from Tony in Jan to see how it likes it.

Hope you guys fimd this useful, any ? PM or post up.


DYNO Data breakdown from th man Tony at Motordyne - update 1-13-11

Dyno runs
http://i116.photobucket.com/albums/o...Kiethdynos.gif

HP Comparison
http://i116.photobucket.com/albums/o...%20370Z/HP.gif

TRQ Comparison
http://i116.photobucket.com/albums/o...%20370Z/TQ.gif

Delta HP
http://i116.photobucket.com/albums/o...0Z/DeltaHP.gif

Delta TRQ
http://i116.photobucket.com/albums/o...0Z/DeltaTQ.gif


Cheers and happy holidays.
Keith

Thanks for taking the time to make a review!

nasty rasp :\

^ Not caused by the pipes - that is not a nasty rasp, but the characteristic of the motor, amplified by the Y pipe, it was the same with the stock CATS in place.

Usually the rasp withe TP's in my Exp will be around 2800 rpm, that generic hiss is around 1800 rpm, when I installed the Y pipe it amplified that area for sure.

ah, i dunno...i just know theres rasp with my HFC's and i get a sad face everytime i rev high. sounded the same when i listened to the video!

Its an unfortunate trait for sure, seems to be louder with exhuast change, it is very different to any rasp I encountered previously, my comments are off course based of my vehicle and my experience - granted.
In the past the only way I got rid of it was to go full CBE.

wait till you ehar the driving video. shouldnt hear what you think is rasp there.

P.S awesome review. I will be getting these in the near future as well.

Thanks
Yeah, revving in garage is the best I could do for today with Family and just getting back from trip etc (late last night from Beijing).

When out and about, I love the sound, its sweet.

vq motors have rasp regardless of what setup is on there.. if you dont want rasp keep everything stock... simple as that.

with that said it seems like the rasp is a little more than those that have hfc and less than straight test pipes.. which makes perfect sense...

Raspy still, but sounds good!

now you got me really on a mental battle i dont know if to go this route or continue with my plans for those long tubes headers????What do you guys think will work out better in the end??

Arguments for each dude, tough mental battles we have to endure in the name of modding lol

RCZ - I think the drive byes will be very nice - they will be up when able.

awesome review! great job!

thanks for the review, Im highly considering these in the future!

I have never been a fan of going cat-less but that sounds great and should get good gains even over HFCs from what I have seen in terms of ART pipes on 350zs. In for more video!

My setup has zero rasp. :tup:

i love the sound man. I replayed it like three times already

very nice, mine will be on the car this saturday along with Invidia CB :)

Nice!

Invidia is a nice choice, Classic tone..

that sounds great man, i didnt hear ANNY rasp...mine should be here next week!!!

Nice review! Curious to see the dyno number compare to others. Lastly, I know this will be a dumb question to some. What are the cylinders for welded to the pipes? Is that to help with exhaust pulse similar to what a X/Y pipe does? Thanks!

Now, Helmholtz resonance is a scientifically proven phenomenon. The property can be demonstrated with a glass bottle: As air is blown across the top of the bottle, some enters it, is momentarily compressed, and then surges outward at a slightly faster rate than it went in, creating a vacuum that draws more air back into the bottle to continue the process. Proof of this oscillation of air can be heard in the tone or frequency emitted by doing so. In the case of the products at hand, exhaust gasses are blown across built-in resonance chambers, and the frequency of pressure waves created therein pushes exhaust gas through the tubing and out into the atmosphere. Now, if Motordyne has one thing working toward their credit, it's that they're by no means an upstart company. Remember the plenum spacers that have become mainstays in 350Z tuning for their simple, low-buck design and solid power gains? Turns out Motordyne owner Tony Colette was a rocket scientist in his previous profession (no, seriously-he was), and he invented those. "Not only will the resonance chambers increase scavenging and power," Tony promises about his new products, "but the titanium tips on the Shockwave exhaust also reduce pressure drop by gradually expanding the exhaust gas to recover its dynamic pressure," which, he claims, also helps increase scavenging

^ It works, the more I drive it the better it is, these are the best bolt on I have run to date. You will love them.

Putting on an M370 in New Year...

Videos planned for 26th December

NB - I am very careful with my purchases and try to get the best for my $$, I do my research, its nice when your choices are proven correct. ;-)

Thanks for the explanation!:tup: I learn something new everyday!

cant wait to see/hear drive-by vids and see the dyno numbers...

^ I'm pretty sure he copy and pasted the import tuner article.


Nice. Im looking forward to this setup!

i shooo did...as long as it helps

^ ha ha - at least its the right info
I am tryng to get Wifey to allow a purchase of my CBE to complement these, as in with my theme, its gonna be the topspeed single pipe/ dual muffler for now.

Videos as she sits today will be up tom evening, nice.

got the freakin plager police over here!

Kastley, have you heard the CNT exhaust?! its supposed to be out pretty soon and its project to be around $600..not bad

Yep - it looks decent for the cash for sure, I wanted Y pipe and single pipe for experiment so will prolly go that route for now.

driving vids!!!

^would have been done today but bad weather, will be up 26th

Driving vids and a dyno?

Videos uploading now, got what I could with Wife and kiddos in toe..... No Dyno till Jan as its being moved to a new location

VIDEO HERE
Got what I could today with full Family in toe, Wifey did camera work and we made a quick escape.... lol
Dyno in Jan as they are currently moving it.

http://i116.photobucket.com/albums/o...h_MVI_7405.jpg


http://i116.photobucket.com/albums/o...h_MVI_7406.jpg

That sounds great! throaty and aggressive.

I cant wait to hear these paired with a full exhaust

Nice review man! :tup:

having fun in the last vid i see. Sounds good.

holy shieet that sounds great, no rasp heard! what mods do you currently have?! Mine will be here tuesday...

Thanks guys - they def are the best bolt on I have tried (and I have tried a few for sure)
J951 - yeah man, cant help it ;-)

As she sits today.

K&N drop ins
Ebay Y pipe
ART pipes

Looking at some post MAF Si next, with either some sort of muffler swap or the single pipe to dual muffler TS CBE with the M370 intake mini, later may throw a pulley on and get another used AP to re-adjust the fueling / re vamp the throttle tables.
That will probably be it, monies will then go to brakes and chassis before F.I time.