Nissan 370Z Forum  

Injen Intakes Installed! Pics, Vids, Dyno

Last week I ordered the Injen intakes from forum vendor THMotorsports. Nick at THMotorspots offered great pricing and his free 3-day air shipping special is awesome. I ordered early Thursday

Go Back   Nissan 370Z Forum > Nissan 370Z Tech Area > Engine & Drivetrain > Intake/Exhaust


Like Tree7Likes

Reply
 
LinkBack Thread Tools Display Modes
Old 08-15-2009, 11:00 PM   #1 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Thumbs up Injen Intakes Installed! Pics, Vids, Dyno: Results added 8/22/09

Last week I ordered the Injen intakes from forum vendor THMotorsports. Nick at THMotorspots offered great pricing and his free 3-day air shipping special is awesome. I ordered early Thursday afternoon and the intakes were delivered Friday morning. Sweet!



The kit comes in a bright red Injen box. It's neatly and safely packaged. All of parts are quality pieces, and the instructions are pretty detailed. There are 85 images in all. Some can be a little bit confusing, but if you take your time and think them through it's pretty simple.



Installation requires removal of the front fascia and the factory washer fluid tank (located on the passenger side). The intake kit includes a smaller volume tank with mounting brackets to make room for the air filter. The only downside to this is that the factory washer fluid filler neck needs to be cut so the included rubber hose can be fitted to the new tank and freshly cut filler neck. This is the only cutting required.



I know a lot of people are intimidated by removing the front fascia. It's really not that difficult at all. Simply remove two bolts and two clips inside the fender wells, unbolt the bottom of the bumper, and remove the clips at the top of the fascia and gently pop it out. It will probably take you 15 minutes your first time. Reinstalling is easy as well.



I'd say the most difficult part of the entire install is dealing with replacing the washer fluid tank, but all-in-all it's really easy.

Anyways, on to the good stuff.

After everything was put back together it was time to fire up the car. It sounds the same as stock on startup, but when you rev it you hear the "woosh" from the intakes sucking in a ****-ton of air. When you're on the road it's a deep growl that's most noticeable from around 3k-5k.

As far as the butt-dyno is concerned... it's hard to tell. I haven't really been able to go all-out with the car yet... low and mid-range power feels unchanged. If there are gains up top I haven't really driven the car in such a manner to feel them yet. This is what I expected, though, as it seems like the intake systems make their gains at the very peak of the RPM range whereas the exhaust mods seem to provide solid gains all throughout.

I did disconnect the battery during the install and I will be giving the car the rest of the week to adjust to the new intakes. Earlier in the day I took a trip out to Function Tuned in Dulles, VA where I had baseline dynos performed on their Dyno Dynamics machine. The stock result is 258.1 whp which is in line with stock 370s on this type of dyno. Be advised that different dynos measure whp differently. Dyno Dynamics tend to read quite a bit lower than DynoJet, for example. I'm sure I'd be somewhere between 275-280whp on a DynoJet.



I will be going back to Function Tuned next Saturday for another dyno. I'm hoping the weather conditions are similar to today (87*F at the time of the dyno, will have to check for the humidity) and hopefully we'll see some gains. I'm going to take the car out again in the morning and find some places to stretch it's legs and report back.

For now, here's a short video of startup/revving and some light acceleration.
http://www.youtube.com/watch?v=XzNWZXBqDzY

Results 8/22/09:
I took the car in for a dyno this morning and saw a +7.3whp gain for a total of 265.4whp. Based on the conditions and type of dyno, I think this is more or less in line with Injen's +15whp claim (on a DynoJet). I will post the comparative dyno graph when the shop e-mails it to me on Monday (printer ran out of color ink), but I can say that it looks very much the same as the Injen and Stillen G3 manufacturer supplied charts. Minimal or no gains until around 7,000 rpm when the stock intakes become a restriction.

My thoughts? I think the only intakes worth buying are long-tube designs... whether you choose the Stillen G3 or Injen's is up to you. I think both systems, tested in identical conditions, would yield very similar results.

I believe that the stock intake system functions very well on a stock n/a car. It is not a restriction until the very top end of the RPM range, where only the long tube intakes provide any gains. I don't think short-tubes are a worthwhile investment.
Attached Images
File Type: jpg Box.jpg (77.6 KB, 3747 views)
File Type: jpg injen3.jpg (134.3 KB, 298 views)
File Type: jpg injen4.jpg (91.1 KB, 3836 views)
File Type: jpg injen1.jpg (129.8 KB, 450 views)
File Type: jpg injen2.jpg (122.8 KB, 568 views)
File Type: jpg injen5.jpg (129.7 KB, 3908 views)
File Type: jpg injen6.jpg (141.7 KB, 3765 views)
File Type: jpg dyno_baseline_081509.jpg (119.4 KB, 3794 views)
normmynorm likes this.
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!

Last edited by m4a1mustang; 08-25-2009 at 06:18 PM.
m4a1mustang is offline   Reply With Quote
Old 08-15-2009, 11:07 PM   #2 (permalink)
Base Member
 
sylenze's Avatar
 
Join Date: Mar 2009
Location: So Cal/SB county
Posts: 222
Drives: 370z 6mt+SP PG
Rep Power: 16
sylenze is on a distinguished road
Default

great write up !!
sylenze is offline   Reply With Quote
Old 08-15-2009, 11:33 PM   #3 (permalink)
A True Z Fanatic
 
Shunya's Avatar
 
Join Date: May 2009
Location: Vancouver
Posts: 3,069
Drives: You Crazy!
Rep Power: 21
Shunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of light
Default

cool can't wait for the results to come in~!
Shunya is offline   Reply With Quote
Old 08-15-2009, 11:43 PM   #4 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Default

Thanks!
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!
m4a1mustang is offline   Reply With Quote
Old 08-15-2009, 11:58 PM   #5 (permalink)
A True Z Fanatic
 
Brazilbro's Avatar
 
Join Date: Mar 2009
Location: Indianapolis, IN
Posts: 1,131
Drives: Juke/240Z
Rep Power: 848
Brazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond reputeBrazilbro has a reputation beyond repute
Default

I like the placement better then the stillen. It looks like it would be easyer to route that Modshack fang vent tube to it. Also doesnt set in front of a hot radiator. Whats price on this?
Brazilbro is offline   Reply With Quote
Old 08-16-2009, 12:06 AM   #6 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Default

Quote:
Originally Posted by Brazilbro View Post
I like the placement better then the stillen. It looks like it would be easyer to route that Modshack fang vent tube to it. Also doesnt set in front of a hot radiator. Whats price on this?
You would probably have to cut a hole in the plastic plate next to the filter but it'd be pretty easy. I don't know how that would work out for rain driving, though. I think the filter has easy access to cool air where it is right now, so I'm not sure if there would be any material benefit to routing the fang vents.

As far as pricing... PM the vendors. They can't publicly post the special pricing due to agreements with the manufacturers.

BTW, my apologies for the dirty pipes. I will clean them up tomorrow and get a pic of them clean and shiny. I'm really glad I opted for polished over powdercoated black.
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!
m4a1mustang is offline   Reply With Quote
Old 08-16-2009, 12:20 AM   #7 (permalink)
A True Z Fanatic
 
Endgame's Avatar
 
Join Date: Nov 2008
Location: Phoenix
Posts: 1,613
Drives: Nothing Now!
Rep Power: 223
Endgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond reputeEndgame has a reputation beyond repute
Default

Awaiting dyno results!!!
Endgame is offline   Reply With Quote
Old 08-16-2009, 12:38 AM   #8 (permalink)
A True Z Fanatic
 
phelan's Avatar
 
Join Date: Apr 2009
Location: CA
Age: 38
Posts: 9,513
Drives: Scoobaroo
Rep Power: 3405
phelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond reputephelan has a reputation beyond repute
Default

I agree, when I first saw these I was going to get powdercoat black (eventually), but the polished looks really, really good in there!
phelan is offline   Reply With Quote
Old 08-16-2009, 04:49 AM   #9 (permalink)
A True Z Fanatic
 
Red370's Avatar
 
Join Date: Jul 2009
Location: Kaiserslautern, Germany
Posts: 4,391
Drives: your mom to church
Rep Power: 295
Red370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond reputeRed370 has a reputation beyond repute
Default

thanks for the writeup man, this thread, dpending on your dyno results, will determine whether I get the Injen setup or not.
Red370 is offline   Reply With Quote
Old 08-16-2009, 05:15 AM   #10 (permalink)
A True Z Fanatic
 
FuszNissan's Avatar
 
Join Date: May 2009
Location: St. Louis
Posts: 14,275
Drives: Pure Sex
Rep Power: 541
FuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond reputeFuszNissan has a reputation beyond repute
Send a message via AIM to FuszNissan Send a message via Skype™ to FuszNissan
Default

I love Injen, I had them on my 350. Great product. My only concern is people talking about cutting those corner plates. If you do that you will expose the filters to direct elements. I wouldn't advise doing so. BTW..nice write up. I wish I had these on vs. my stillen.
__________________
Mods: Too Many to list!
LouFuszNissan

ZDAYZ 2012
FuszNissan is offline   Reply With Quote
Old 08-16-2009, 06:23 AM   #11 (permalink)
A True Z Fanatic
 
Shunya's Avatar
 
Join Date: May 2009
Location: Vancouver
Posts: 3,069
Drives: You Crazy!
Rep Power: 21
Shunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of lightShunya is a glorious beacon of light
Default

you know what would make these even more sexy?
Black Chrome tubings
Shunya is offline   Reply With Quote
Old 08-16-2009, 07:30 AM   #12 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Default

I dunno, I think black anything would get lost in the engine bay. The polished tubes really stand out and look great.
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!
m4a1mustang is offline   Reply With Quote
Old 08-16-2009, 07:31 AM   #13 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Default

Quote:
Originally Posted by Red370 View Post
thanks for the writeup man, this thread, dpending on your dyno results, will determine whether I get the Injen setup or not.
No problem!
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!
m4a1mustang is offline   Reply With Quote
Old 08-16-2009, 08:40 AM   #14 (permalink)
RIP Tony :( (1969-2015)
 
2theextreme's Avatar
 
Join Date: Feb 2009
Location: Northern Virginia
Posts: 18,802
Drives: '14 Mustang GT/CS
Rep Power: 67
2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute2theextreme has a reputation beyond repute
Default

Looking good! I might just join you again next Saturday.
__________________
SpinTech Mufflers, Airaid CAI, JBA H-Pipe, Lethal Performance Over Axle Pipes,
MMD Quarter Panel Louvers, Cervini's Ram Air Type IV Hood, Carbon Fiber Radiator Cover, GT500 Rear Valance, Quad Exhaust Tips
2theextreme is offline   Reply With Quote
Old 08-16-2009, 08:41 AM   #15 (permalink)
A True Z Fanatic
 
m4a1mustang's Avatar
 
Join Date: Feb 2009
Location: Northern VA
Posts: 55,385
Drives: on two wheels
Rep Power: 6962
m4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond reputem4a1mustang has a reputation beyond repute
Default

Quote:
Originally Posted by 2theextreme View Post
Looking good! I might just join you again next Saturday.
Do it! They have a 1PM slot open... I'm sure they'd start you right after me. I will get some vid of yours on the dyno.
__________________
- Steve
MAZOC Meet Thread
Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!)
LIKE us on Facebook!
m4a1mustang is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
STILLEN Longtube G3 Intakes. Review, Dyno and Impressions. RCZ Intake/Exhaust 270 06-03-2015 02:25 PM
*NSFW* - Funny/Weird/Gross pics&vids xDIEGOx The Lounge (Off Topic) 7325 11-01-2014 07:33 PM
Stillen Headers installed - Review/Pics/Vid/Dyno semtex Intake/Exhaust 120 06-25-2014 12:15 PM
Injen Dual Cold Air Intakes Nissan 370Z Z34 : INTENSEPOWER! INTENSEPOWER Exhaust/Intake 138 08-08-2011 01:34 PM
370Z Injen Dual Intakes @ The 370ZSOURCE!!!! Michael@TheZStore Exhaust/Intake 30 10-14-2009 02:39 PM


All times are GMT -5. The time now is 05:53 AM.


Powered by vBulletin® Version 3.8.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Search Engine Optimization by vBSEO 3.6.0 PL2