[V]HR Stillen Headers
sorry, my calculation was wrong, I got 17 TQ, and 25 HP. I had my base dyno numbers wrong, good looking out 
Now lets see what it shows with a trip to Technosquare, I got my fingers crossed 
Now lets see what it shows with a trip to Technosquare, I got my fingers crossed
Last edited by AZg37; Aug 26, 2008 at 04:10 AM.
I have the Stillen headers on my G37 and they are a great mod. Unfortunately I only have a dyno of them with my cat-back and HFC's on as well, so no solid numbers for just the headers, but with Stillen headers, Stillen cat-back and Berk HFC's I saw a gain of 25 hp and 17tq on the dyno. The headers seemed to help out throughout the entire powerband also, not just mid and high rpm range. I was very happy with the purchase, and recommend this mod to anyone who is on the fence.
Here's a pic of our stock G37 header, compared to Stillen's you can see the improvement.
Here's a pic of our stock G37 header, compared to Stillen's you can see the improvement.
Did you put the headers on yourself? I put headers on my G35 so I assumed it would be very simmilar on the 37 but when I gave it a go last weekend I had to stop because the suspension was covering much more than the G35's did. I wasn't prepared with the super extensions needed because I could get my arm up in there before where now I could only get half my hand in. I hadn't realized how different the suspension is now from before.
Any tips before I shell out $600 to have a shop put these in for me???
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Joined: Jul 2008
Posts: 119
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From: Chandler AZ
damn, AZg, that's a sweet setup car you have, seriously. I love the fact you have the catback, hfc's AND headers... guess i'm just too old and too much of a puss to allow my car to get any louder... damn it.
Look at what the HR engine puts out after a reflash w/ headers and full bolt-ons:
http://my350z.com/forum/vq35hr/38198...os-inside.html
http://my350z.com/forum/vq35hr/38198...os-inside.html
I have a video up of my set-up, it's crappy and at night but you can hear how it sounds. Here's the thread: https://www.myg37.com/forums/showthr...=181051&page=2
enjoy
enjoy
How was installation? I hear it's not easy, but I figured that was in comparison to an intake or exhaust install. How long did it take you? Did you get stuck on anything? Did you have any leakage after install?
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Joined: Mar 2008
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From: stoon Canada
I have a video up of my set-up, it's crappy and at night but you can hear how it sounds. Here's the thread: https://www.myg37.com/forums/showthr...=181051&page=2
enjoy
enjoy
Registered User
Joined: Oct 2007
Posts: 4,404
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From: Chatsworth CA
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