Nissan 370Z Forum

Nissan 370Z Forum (http://www.the370z.com/)
-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   Fast Intentions exhaust is here! (http://www.the370z.com/intake-exhaust/6215-fast-intentions-exhaust-here.html)

DIGItonium 09-16-2009 08:04 PM

Haha... HFCs will definitely make the car sound a little louder, but I don't regret the benefits. Power feels like it kicks in 500rpm sooner, and it doesn't end there. Throttle response felt a bit sluggish at first after installing the exhaust and HFC. You'll even hear popping noises coming out of the exhaust, but it diminishes after a few weeks. At idle, the car sounds "lopey" as if it is off timing... but that's where the old school feeling comes back :-)

kdo2milger 09-16-2009 08:05 PM

Quote:

Originally Posted by m4a1mustang (Post 201621)
-rep.

http://doesitallmatter.files.wordpre...outhinking.jpg

m4a1mustang 09-16-2009 08:25 PM

Quote:

Originally Posted by DIGItonium (Post 201632)
Haha... HFCs will definitely make the car sound a little louder, but I don't regret the benefits. Power feels like it kicks in 500rpm sooner, and it doesn't end there. Throttle response felt a bit sluggish at first after installing the exhaust and HFC. You'll even hear popping noises coming out of the exhaust, but it diminishes after a few weeks. At idle, the car sounds "lopey" as if it is off timing... but that's where the old school feeling comes back :-)

Think it works for a daily driver?

MrBMW 09-16-2009 08:49 PM

Quote:

Originally Posted by DIGItonium (Post 201606)
Alright guys... Movie Maker got pwned with my laptop regardless of what version I downloaded (Vista). So I head over to an XP-based machine... worked like a charm. I'm wayyy overdue for a video despite being #1 :-P

Thanks for the Video there DIGI' definately appreciated to get another view/opinion of this setup. Was good to hear the before/after bit as well thats for sure.

Quote:

Originally Posted by m4a1mustang (Post 201615)
Sounds nice. :)

+1

Quote:

Originally Posted by kdo2milger (Post 201619)
no exhaust for you! :mad:

Quote:

Originally Posted by m4a1mustang (Post 201621)
-rep.

You two are cracking me up each day LOL. If you need a laugh, just find teh closest thread your in and your set for some humor:bowrofl:

m4a1mustang 09-16-2009 09:26 PM

Hey, I have an Australian cattle dog!

DIGItonium 09-16-2009 11:39 PM

Quote:

Originally Posted by m4a1mustang (Post 201649)
Think it works for a daily driver?

For daily driving, the sound is awesome! At cruising speeds and light throttle you don't hear it much, but it does drone a bit on the highway. So if you find yourself applying light throttle to maintain 60-70 MPH while going uphill, you'll start to hear the drone. It takes a bit of getting used to. What I find strange is that sometimes it is really loud, and other times it is not that bad at all... just wonder if it has to do with the environment. For example, the exhaust isn't as loud on the way to lunch. On the way back from lunch, it can get pretty loud (interior-wise). Overall, if you rev past 3k (even full throttle), the sound is sick and is nowhere near as loud when hovering around 2-3k.

On cold starts, it is pretty loud and deep. At a certain resonant frequency, the garage door starts to vibrate. My car is parked outside the office, and everyone can hear it on cold start. The same goes for the drone as it can slightly vibrate some interior parts.

It sounds bad, but it's not that bad at all. My car is a daily driver, and I'm pretty conservative. I don't regret it and will never go back to stock. Remember, I have the HFC and 12" resonators. Once I get the 18" resonated X-pipes, I'll update the video.

Quote:

Originally Posted by MrBMW (Post 201668)
Thanks for the Video there DIGI' definately appreciated to get another view/opinion of this setup. Was good to hear the before/after bit as well thats for sure.

Thanks! :tup: With a good set of PC speakers (i.e., with a sub), one can simulate what the exhaust sounds like in person!

MrBMW 09-17-2009 12:18 AM

Quote:

Originally Posted by DIGItonium (Post 201815)
Thanks! :tup: With a good set of PC speakers (i.e., with a sub), one can simulate what the exhaust sounds like in person!

Yeah i stream through the PS3 via my HT Room:tup:. It really gives a much better idea of what to expect instead of crappy little Laptop Speakers and even normal Desktop speakers.

It dosnt do it justice really and in some cases makes it sound pretty bad with a higher pitch tahn it actually probably has. Again thanks for your extra little write up there mate.

dainedazz 09-17-2009 01:24 AM

twenty two daysssss!

Sonic370Z 09-17-2009 07:45 AM

Quote:

Originally Posted by DIGItonium (Post 201606)
Alright guys... Movie Maker got pwned with my laptop regardless of what version I downloaded (Vista). So I head over to an XP-based machine... worked like a charm. I'm wayyy overdue for a video despite being #1 :-P

man that sounds great! I can't wait!

B1nks 09-17-2009 11:16 AM

2 Attachment(s)
here are dyno charts !

kdo2milger 09-17-2009 11:33 AM

Hope you dont mind B1nks :tup:

Before
http://www.the370z.com/attachments/i...eline-dyno.jpg
After
http://www.the370z.com/attachments/i...haust-dyno.jpg

kdo2milger 09-17-2009 11:35 AM

Quote:

Originally Posted by DIGItonium (Post 201606)
Alright guys... Movie Maker got pwned with my laptop regardless of what version I downloaded (Vista). So I head over to an XP-based machine... worked like a charm. I'm wayyy overdue for a video despite being #1 :-P

wow what a difference...

awesome sound reference too, thanks :tup:

dainedazz 09-17-2009 11:41 AM

FAST INTENTIONS = perfect combination of SHOW & POWER :)

Sonic370Z 09-17-2009 12:06 PM

Quote:

Originally Posted by B1nks (Post 202126)
here are dyno charts !

B1nks, I apologize but in this huge thread I have forgotten, are you running ehxuast only are do you also have HFC or test pipes? Straight x-pipe or resonated?

spearfish25 09-17-2009 12:43 PM

Quote:

Originally Posted by DIGItonium (Post 201815)
For daily driving, the sound is awesome! At cruising speeds and light throttle you don't hear it much, but it does drone a bit on the highway. So if you find yourself applying light throttle to maintain 60-70 MPH while going uphill, you'll start to hear the drone. It takes a bit of getting used to. What I find strange is that sometimes it is really loud, and other times it is not that bad at all... just wonder if it has to do with the environment. For example, the exhaust isn't as loud on the way to lunch. On the way back from lunch, it can get pretty loud (interior-wise). Overall, if you rev past 3k (even full throttle), the sound is sick and is nowhere near as loud when hovering around 2-3k.

I'd be interested in hearing how loud the 2-3k rpm drone really is. IMHO, this is the WORST range to have drone as you're sitting in this range while on the highway. If it's minor though, perhaps it's a non-issue. I'd ideally have no drone or drone in some range I rarely use like >6k rpm.


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