Fast Intentions exhaust and header comparison. Before and after UPRev tune (Dyno)

F.I. Inc. · 03-24-2010, 06:10 PM

Thanks bro! I will post this dyno chart and the A/F chart in the front of this thread as well. This is just for now to feed you all something...

Thanks, Tony

dainedazz · 03-24-2010, 06:22 PM

Nice!

NYBladeZ · 03-24-2010, 06:31 PM

I was hoping for a bit more power up top, but significant gains through the powerband is even better. One clarification, the pre LTH setup has still headers and F.I. HFC's right? The chart doesn't mention aftermarket headers.

F.I. Inc. · 03-24-2010, 06:34 PM

Quote:

Originally Posted by NYBladeZ

I was hoping for a bit more power up top, but significant gains through the powerband is even better. One clarification, the pre LTH setup has still headers and F.I. HFC's right? The chart doesn't mention aftermarket headers.

On the last car we made more top end power. The only difference is that it did not have any intakes on it at all. I am just saying...

On your other question, correct in the first dyno session there were stock manifolds on the car. NO headers!

NYBladeZ · 03-24-2010, 06:35 PM

I gotcha, so the intakes help a bit with the top end power, from what everyone is saying that's the only place they help 7000 or above. Looking forward to more dynographs...

theDreamer · 03-24-2010, 06:42 PM

Quote:

Originally Posted by NYBladeZ

I gotcha, so the intakes help a bit with the top end power, from what everyone is saying that's the only place they help 7000 or above. Looking forward to more dynographs...

Yes & no.
I do not want to derail the thread, but it seems intake (even with a minor tune) are not playing a big roll. A lot of factors though, better fuel (93 octane), unlock VVEL, intake A or B. Intakes by themselves are good performance numbers, but paired with other items they seemed to not help, currently. Hopefully down the road we will see some improvements, but maybe not.

Love the results Tony, hope things are going well and you can finish up and start full production soon.

F.I. Inc. · 03-24-2010, 07:12 PM

Quote:

Originally Posted by theDreamer

Yes & no.
I do not want to derail the thread, but it seems intake (even with a minor tune) are not playing a big roll. A lot of factors though, better fuel (93 octane), unlock VVEL, intake A or B. Intakes by themselves are good performance numbers, but paired with other items they seemed to not help, currently. Hopefully down the road we will see some improvements, but maybe not.

Love the results Tony, hope things are going well and you can finish up and start full production soon.

Hopefully by the end of today we will have the driver side completely indexed and ready to go. It has taken 3 full days of work just to get the bend perfect. On to the passenger side as soon as we are done. With any luck, I will have some sets in the mail by the end of next week. I will also post pictures of the production headers as soon as they are ready.

In addition I will be adding everything pertaining to these to our website.

vipor · 03-24-2010, 07:38 PM

Quote:

Originally Posted by F.I. Inc.

Hopefully by the end of today we will have the driver side completely indexed and ready to go. It has taken 3 full days of work just to get the bend perfect. On to the passenger side as soon as we are done. With any luck, I will have some sets in the mail by the end of next week. I will also post pictures of the production headers as soon as they are ready.

In addition I will be adding everything pertaining to these to our website.

Driver side is harder! EZ Money from here on out!

NYBladeZ · 03-24-2010, 10:34 PM

Can't wait, keep the info coming Tony. I'm going to hold of on intakes, I just can justify it, especially since I hope on going S/C down the line. I'm going to match the LTH's up with stock exhaust, in case anyone wants to hear what it sounds like, hopefully I'll pick up a CBE soon after, especially if Tony offers me an awesome deal.

Vegitto-kun · 03-25-2010, 05:30 AM

This might be a useless post but how is the 0-60 time with the headers haha

vipor · 03-25-2010, 08:19 AM

maybe 0.2 seconds faster. maybe.

u155282 · 03-25-2010, 09:29 AM

I love the sound of the LTHs and the performance bump is great, but what if I wanted to keep it smog legal and a little quieter than straight pipes? I know it be expensive and it would negate some of the gains from the LTHs, but what about cutting out some space and welding in a pair of HFCs? Totally not worth it? Would you see any gains from having LTHs in that case? Has anybody else thought about this?

I still don't have a car, just curious/dreaming. I'm that guy - sorry.

semtex · 03-25-2010, 09:44 AM

Quote:

Originally Posted by u155282

I love the sound of the LTHs and the performance bump is great, but what if I wanted to keep it smog legal and a little quieter than straight pipes? I know it be expensive and it would negate some of the gains from the LTHs, but what about cutting out some space and welding in a pair of HFCs? Totally not worth it? Would you see any gains from having LTHs in that case? Has anybody else thought about this?

I still don't have a car, just curious/dreaming. I'm that guy - sorry.

They wouldn't be LTHs anymore if you did that. They'd be regular short headers.

m4a1mustang · 03-25-2010, 09:32 AM

Don't think you can do that because the collectors are right around where the hfcs would go. It'd totally mess up the design.

NYBladeZ · 03-25-2010, 09:46 AM

you'd be better off buying shorty headers and a set of hfc's though since it's not as efficient you leave some significant power on the table.

03-24-2010, 06:10 PM	#1 (permalink)
F.I. Inc. The370Z.com Sponsor Join Date: Feb 2009 Location: Simi Valley, CA Posts: 2,989 Drives: 2010 GT-R/2007 F-250 Rep Power: 686	Thanks bro! I will post this dyno chart and the A/F chart in the front of this thread as well. This is just for now to feed you all something... Thanks, Tony __________________ *Follow us on Facebook: Fast Intentions Inc.* Phone: (805) 522-FAST (3278) Email: tony@fastintentions.com www.fastintentions.com "FUELED BY PASSION"

03-24-2010, 06:22 PM	#2 (permalink)
dainedazz A True Z Fanatic Join Date: Jan 2009 Location: NY, NJ, Philippines Posts: 1,325 Drives: 09' SR 6MT Z34 Rep Power: 294	Nice! __________________ DaineZ' Rosalena \| Kenwood \| Pioneer \| 3M \| 180 Custom \| Stillen \| Z1 \| Fast Intentions \| Setrab \| Eibach \| Varis \| UpRev \| TEIN \| UAM \| Amuse \| Bride \| Southbend \| WORK \| TWM \| BFGoodrich \| Robispec \| TAKATA \| GTSPEC \| *Instagram* @johndainez

03-24-2010, 06:31 PM	#3 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	I was hoping for a bit more power up top, but significant gains through the powerband is even better. One clarification, the pre LTH setup has still headers and F.I. HFC's right? The chart doesn't mention aftermarket headers. __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

03-24-2010, 06:35 PM	#5 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	I gotcha, so the intakes help a bit with the top end power, from what everyone is saying that's the only place they help 7000 or above. Looking forward to more dynographs... __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

03-24-2010, 10:34 PM	#9 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	Can't wait, keep the info coming Tony. I'm going to hold of on intakes, I just can justify it, especially since I hope on going S/C down the line. I'm going to match the LTH's up with stock exhaust, in case anyone wants to hear what it sounds like, hopefully I'll pick up a CBE soon after, especially if Tony offers me an awesome deal. __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

03-25-2010, 05:30 AM	#10 (permalink)
Vegitto-kun A True Z Fanatic Join Date: Feb 2010 Location: USA Posts: 2,011 Drives: 09 370Z Rep Power: 263	This might be a useless post but how is the 0-60 time with the headers haha

03-25-2010, 08:19 AM	#11 (permalink)
vipor A True Z Fanatic Join Date: Aug 2009 Location: Euless, TX [ DFW ] Age: 42 Posts: 13,531 Drives: Nismo 09-0183 QAB Rep Power: 49	maybe 0.2 seconds faster. maybe. __________________ 2009 NISMO # 0193 \| QAB \| Albums! \| 05.04.10 (Dynojet) 291.94hp/248.28tq Oil Cooler (DIY) \| Custom Headlights \| GTSPEC Braces \| F.I. Long Tube Headers

03-25-2010, 09:29 AM	#12 (permalink)
u155282 Banned Join Date: Jan 2009 Location: Enid, OK Posts: 136 Drives: stanglangling Rep Power: 0	I love the sound of the LTHs and the performance bump is great, but what if I wanted to keep it smog legal and a little quieter than straight pipes? I know it be expensive and it would negate some of the gains from the LTHs, but what about cutting out some space and welding in a pair of HFCs? Totally not worth it? Would you see any gains from having LTHs in that case? Has anybody else thought about this? I still don't have a car, just curious/dreaming. I'm that guy - sorry.

03-25-2010, 09:32 AM	#14 (permalink)
m4a1mustang A True Z Fanatic Join Date: Feb 2009 Location: Northern VA Posts: 55,385 Drives: on two wheels Rep Power: 6963	Don't think you can do that because the collectors are right around where the hfcs would go. It'd totally mess up the design. __________________ - Steve Zs & Coffee - Saturdays at 10AM in Fairfax, VA and Columbia, MD (Click the banner!) LIKE us on Facebook!

03-25-2010, 09:46 AM	#15 (permalink)
NYBladeZ A True Z Fanatic Join Date: Apr 2009 Location: New York Posts: 2,158 Drives: Lotus Exige S Rep Power: 21	you'd be better off buying shorty headers and a set of hfc's though since it's not as efficient you leave some significant power on the table. __________________ 2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold 2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

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