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PPE Long Tube Headers Review

I've had these headers installed on my car for almost two months now and I'm finally writing a review on what I think. This will follow the same format as

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Old 04-07-2012, 05:25 PM   #1 (permalink)
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Default PPE Long Tube Headers Review

I've had these headers installed on my car for almost two months now and I'm finally writing a review on what I think. This will follow the same format as my previous reviews.Keep in mind I had this installed with a Motordyne XYZ Y pipe with a high flow catalytic converter, and Tanabe Medallion exhaust. Performance, installation, and sound may change depending on your setup.

Package: I can't say too much about it as I bought these unused from a seller here in the forums. The box was raggedy, but the headers were wrapped in bubble wrap, instructions were present, and all gaskets/wires, and bolts were there as well.
Installation: I did not install these headers myself. I would not recommend it unless your ready to break tools, bust knuckles and become infuriated over it's difficulty in these cars. My shop misquoted me at $400ish for the headers and exhaust. After the work was done, they say the job cost closer to $600-$800, but they kept their original quote and that's what I paid. The passenger side is easier than the driver side. The driver side is difficult to position, tighten, and work around in every sense of the word. Bolts may break when removing the old header. Good news is that you do not have to play with the demon bolt, just remove header and cat in one piece. Over all, this is probably one of the most difficult installs there is for the Z. There is nothing easy about it. When extending the O2 senors, extend one wire at a time and do not use an impact wrench with them still in the cats. You will destroy them and will need to purchase new ones. Also take note, that I currently have a SES light that has been persistent since the install. I'm hoping tuning will resolve this.
Appearance: I believe these may be mild steel and not T304, but I don't know for sure because I did not order them. If you have a flashlight they look badass. It's difficult to see them as they are tucked deep in the engine compartment and they are coated black. The ceramic coating I believe is good for 1600F and looks awesome. It looks understated for sure. If you want something more flashy, they have different coating options that keep the metal appearance. They WILL change color due to extreme temps though, so be aware.
Performance & Sound: There are no test pipes, ART pipes, HFC's, or any other pipe that connects to the stock headers or shorty headers that will make as much horsepower as Long Tube Headers. Scavenging is very apparent with the PPE's. Rasp is also very apparent with PPE's. If you are running longer resonators or cats somewhere in your exhaust, it will help A LOT with reducing or eliminating rasp. These will turn any tame exhaust system into a chest pumping beast. I have these installed with the Motordyne XYZ Y pipe with CAT, and Tanabe exhaust. With these, the exhaust has a very high pitched sound when running over 5k rpm. The sound starts changing after 3500rpm. At redline, the sound is nothing I've heard from any exhaust setup on these vehicles; It wails like a banshee. At low rpm, it has a smooth mellow sound that burbles off throttle. Everyone (even my Mother in Law) thinks the car sounds great. It's very primal sounding. With a full exhaust untuned, I picked up 30whp over my best baseline. Power was still building at 7500 rpm with stock intakes. This still holds true with CAI's as well. It was dynoed a week after baseline in the same conditions and immediately after install. It did feel like the car picked up more power as the ECU adjusted. The car only had about 3k miles at time of baseline and install.
Conclusion: I picked these up for $750 which I consider a great price. Install was $400. For $1150 total, (exhaust install included in price) this was a great bang for buck purchase in my case. The sound is unique, the whp increase was dramatic, and they work as advertised. There was no fluff in the numbers. I made power in every part of the rev range, my low end torque did not drop, but improved, WHP increased everywhere, and they fit perfectly with the Motordyne Y pipe I had installed. The cats and Tanabe exhaust cleaned a lot of the rasp out except when the exhaust is still cold. I would say rasp is the only thing I did not care for. But for the vast performance increase, it is more than worth it. Here is the original dyno chart as well as a couple video's I have in another thread.

Dyno: Blue is baseline, red is LTH, y pipe + cat and exhaust, green is everything in my sig (no M370)

http://www.youtube.com/watch?v=_sYwwCknpRs&context=C4c9967cADvjVQa1PpcFMrZFMKFY-LrvSJ6d2JWNRH_aHh1AmflP4=

http://www.youtube.com/watch?v=AcwW2vx57QQ&context=C4ba82efADvjVQa1PpcFMrZFMKFY-Lrj6-89BB4-JnFVZ0hjzYX7s=

http://www.youtube.com/watch?v=G2CJu_tQKOM&context=C47884beADvjVQa1PpcFMrZFMKFY-LrnCLwC1-USn84hj_6ZZmt7Y=

http://www.youtube.com/watch?v=QudDoWE_KLM&context=C480c9e4ADvjVQa1PpcFMrZFMKFY-LrutsUB-rmL09q-3xwgJBWQk=
Attached Images
File Type: jpg DynoII.jpg (73.8 KB, 363 views)
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Last edited by SS_Firehawk; 04-07-2012 at 06:22 PM. Reason: Fixed Video and added dyno info.
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Old 08-06-2012, 06:54 PM   #2 (permalink)
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I got the same headers but I got the HKS exhaust and stillen 3G intakes. my garage said he will never install LTH on a 370z again without removing the engine. it costed me about double for the headers and exhaust, but the sound on mine is amazing I love it.
And I'm pulling 328 whp on 7AT which is pretty good I guess.
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Old 08-06-2012, 10:05 PM   #3 (permalink)
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lol i love vid 2 @ 2:40

"is dat one bigass house? dat muffucka is huge"

hahaha
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Old 08-07-2012, 12:41 AM   #4 (permalink)
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Originally Posted by Salem View Post
I got the same headers but I got the HKS exhaust and stillen 3G intakes. my garage said he will never install LTH on a 370z again without removing the engine. it costed me about double for the headers and exhaust, but the sound on mine is amazing I love it.
And I'm pulling 328 whp on 7AT which is pretty good I guess.
Yeah, your putting good numbers down. I'm still trying to work out some bugs with my car. But she will be in hibernation for the better part of a year until I come home again


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lol i love vid 2 @ 2:40

"is dat one bigass house? dat muffucka is huge"

My Wife speaking her mind I forgot about that We lived near Spanish Hills at the time in Las Vegas and they have some fairly large custom homes on a ridge overlooking the freeway and Spring Valley range
hahaha
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Old 08-07-2012, 03:33 AM   #5 (permalink)
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Nice setup
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Old 08-07-2012, 08:28 AM   #6 (permalink)
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car sounds good tho!
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Old 07-08-2014, 10:52 AM   #7 (permalink)
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Sorry for bringing this up from dust ..
just wondering if these are stepped or non ?!

PPE make them in two options, stepped & non stepped.
since you're saying that your low curve is imporoved, then i wud guess u're running the non setup version maybe ?!

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Old 07-08-2014, 11:10 AM   #8 (permalink)
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Originally Posted by Glover997 View Post
Sorry for bringing this from dust ..
just wondering if these are stepped or non ?!

PPE make them in two options, stepped & non stepped.
since you're saying that your low curve is imporoved, then i wud guess u're running the non setup version maybe ?!
last I heard was the 350z gets to choose between 2 version as for the 370z , its the stepped one only.

This was because PPE started with the 370z first then the 350z platform wanted PPE to make those LTH for them and depending on which engine from the 350z. one wasn't making power vs the other one. This is mostly why they are offering 2 versions from what I understand.
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Old 07-08-2014, 11:35 AM   #9 (permalink)
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I was wondering if there are heat problems associated with PPE LTHs, because as far as i know you have to remove the oem headers heat shield in order to install PPE headers?!
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Old 07-08-2014, 01:09 PM   #10 (permalink)
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Engine bay is hot, but I haven't noticed an extreme difference.
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Old 07-08-2014, 03:43 PM   #11 (permalink)
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Originally Posted by dimitarm View Post
I was wondering if there are heat problems associated with PPE LTHs, because as far as i know you have to remove the oem headers heat shield in order to install PPE headers?!
I just want to add something to your statement...

for others doing a search on this topic, its about any aftermarket headers that doesn't use heat shield ,, not just the PPE.
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Old 09-29-2022, 02:55 PM   #12 (permalink)
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Quote:
Originally Posted by SS_Firehawk View Post
I had this installed with a Motordyne XYZ Y pipe with a high flow catalytic converter, and Tanabe Medallion exhaust.

To my knowledge, long tube headers replace the exhaust manifold and cats. How did you manage to keep the cats?
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Old 09-29-2022, 07:47 PM   #13 (permalink)
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https://conceptzperformance.com/moto...019_p_8585.php

.5" Glass packed resonator with 3" outlet. With modular options of a straight pipe, a resonator or even a catalytic converter the XYZ-pipe allows functional advantages previously not seen in any other Y-pipe. The V-band clamp, different modules can be easily changed out in minutes.
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