Fast Intentions exhaust is here!

F.I. Inc. · 07-08-2009, 12:13 PM

Quote:

Originally Posted by DannyGT

I got a question...I see you eliminated those rubber bushings from the factory exhaust, where other companies choose to keep it. Do you happen to be getting some crazy vibration in the stick shift around 1800rpms? I thought thats why those bushings where their? to absorb vibrations...

None whatsoever!

F.I. Inc. · 07-08-2009, 12:15 PM

UPDATED-

Thank you to our newest customer- Crbn_Fbr

Digtonium: 001 - Pre ordered since April
Tonmed123: 002
Import111: 003
Zat Zuma: 004
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Crbn_Fbr: 007

kannibul · 07-08-2009, 11:04 AM

Another question - was the video clip w/ stock cats?

I think it was mentioned it was with 12" reso's, but I've gone back and skimmed for info on if it was stock cats or not, and didn't catch anything...

F.I. Inc. · 07-08-2009, 12:16 PM

Quote:

Originally Posted by kannibul

Another question - was the video clip w/ stock cats?

I think it was mentioned it was with 12" reso's, but I've gone back and skimmed for info on if it was stock cats or not, and didn't catch anything...

It had the stock cats it. The only mod. whatsoever was the TDX cat back exhaust.

semtex · 07-08-2009, 03:47 PM

I always assumed it was for ease of fitment.

LiquidZ · 07-08-2009, 03:49 PM

I thought it was for allowing bending in the exhaust under engine load.

F.I. Inc. · 07-08-2009, 04:10 PM

Quote:

Originally Posted by LiquidZ

I thought it was for allowing bending in the exhaust under engine load.

It is to an extent.

Cars that have very weak motor mounts have an excessive amount of engine travel when it moves. Ex: a place where they would be needed would be on a car with sloppy motor mounts and very stiff rubber hangers. This will allow the front part of the exhaust to travel easier with the engine when it torques.

Now, this particular car has strong motor mounts and the engine travels very little when it torques. That in combination with the rubber hangers underneath that are not on the stiff side allow the exhaust to travel with the engine. If it was an issue for us believe me, I would put flex joints in. But, you don't see our X Pipes cracking or welds at flanges breaking. Reason being, the exhaust has plenty of travel on these cars to allow it move.

kannibul · 07-08-2009, 04:31 PM

Quote:

Originally Posted by LiquidZ

I thought it was for allowing bending in the exhaust under engine load.

Nah, if that was true, you'd have a broken engine mount. It's a fitment / something to go wrong later, device.

F.I. Inc. · 07-08-2009, 04:54 PM

Quote:

Originally Posted by kannibul

Nah, if that was true, you'd have a broken engine mount. It's a fitment / something to go wrong later, device.

Correct, I see more customers with random exhaust systems that come in with blown out flex joints than just about anything. Most of the time they catch them on the pavement a wear all the way through the mesh.

shumby · 07-08-2009, 05:06 PM

Hey Tony lets make a exhaust for the FX50S I will buy it as soon as you can ship it

drisko · 07-08-2009, 05:37 PM

Sounds good. This exhaust is looking more tempting by the minute, especially with the weight savings.

Hope some dyno results come soon too.

F.I. Inc. · 07-08-2009, 06:30 PM

Quote:

Originally Posted by drisko

Sounds good. This exhaust is looking more tempting by the minute, especially with the weight savings.

Hope some dyno results come soon too.

Everything is looking on schedule for tomorrow evening. Were are shooting to bang it all out in one trip on one night.

kannibul · 07-09-2009, 08:55 AM

Quote:

Originally Posted by F.I. Inc.

Everything is looking on schedule for tomorrow evening. Were are shooting to bang it all out in one trip on one night.

Before and after dyno, I assume?

Also, I know it might be hard to request it, but, could you also do it with FI HFC's (for a third set?)

Caravanshaka · 07-09-2009, 09:13 AM

Quote:

Originally Posted by kannibul

Before and after dyno, I assume?

Also, I know it might be hard to request it, but, could you also do it with FI HFC's (for a third set?)

Fast Intentions exhaust is here!

F.I. Inc. · 07-09-2009, 09:36 AM

Quote:

Originally Posted by kannibul

Before and after dyno, I assume?

Also, I know it might be hard to request it, but, could you also do it with FI HFC's (for a third set?)

I know this thread is long and it even took me a minute to find it. This is originally what I wrote in reply #201:

Later this week probably Thursday night. But, we are aiming to get it all done in one shot. In the following order:

1) Stock (Baseline)
2) TDX cat back
3) TDX cat back w/ high flow cats
4) TDX cat back w/ resonated test pipes
5) Possibly- stock cat back w/ high flow cats
6) Possibly- stock cat back w/ resonated test pipes

We will get 3-4 runs with each configuration and take the average of each one. Not low stock and high cat back, that is inaccurate and it is false!

It is a Dynojet and it will be set in SAE all the way through.
The only change we will make will be the component we are testing. I will take video and sound clips as well.

I welded a wideband bung in to the stock exhaust to show all of you what the A/F numbers will be stock. I will also have A/F readings in every other configuration to show you if it leans out and how much.

Stay tuned...

07-08-2009, 12:15 PM	#2 (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: 687	*UPDATED-* Thank you to our newest customer- Crbn_Fbr Digtonium: 001 - Pre ordered since April Tonmed123: 002 Import111: 003 Zat Zuma: 004 Dszombiex: 005 FuszNissan: 006 Crbn_Fbr: 007 __________________ *Follow us on Facebook: Fast Intentions Inc.* Phone: (805) 522-FAST (3278) Email: tony@fastintentions.com www.fastintentions.com "FUELED BY PASSION" Last edited by F.I. Inc.; 07-10-2009 at 10:56 PM.

07-08-2009, 03:47 PM	#5 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 55 Posts: 5,995 Drives: People to drink Rep Power: 34	I always assumed it was for ease of fitment. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

07-08-2009, 03:49 PM	#6 (permalink)
LiquidZ A True Z Fanatic Join Date: Nov 2008 Location: Columbus, OH Posts: 1,940 Drives: Mag. Black 2009 370Z Rep Power: 706	I thought it was for allowing bending in the exhaust under engine load. __________________

07-08-2009, 05:06 PM	#10 (permalink)
shumby Captin Canuck Join Date: Dec 2008 Location: with your mom Age: 46 Posts: 6,288 Drives: your sister Rep Power: 238	Hey Tony lets make a exhaust for the FX50S I will buy it as soon as you can ship it __________________ Originally Posted by SAM@GTM Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living . Sam

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07-08-2009, 11:04 AM	#3 (permalink)
kannibul A True Z Fanatic Join Date: Jun 2009 Location: Jenks, OK Posts: 2,281 Drives: 370z Touring/Sport Rep Power: 269	Another question - was the video clip w/ stock cats? I think it was mentioned it was with 12" reso's, but I've gone back and skimmed for info on if it was stock cats or not, and didn't catch anything...

07-08-2009, 05:37 PM	#11 (permalink)
drisko Base Member Join Date: Jan 2009 Location: So Cal Age: 45 Posts: 160 Drives: 09 370Z PW Tour S 6M Rep Power: 18	Sounds good. This exhaust is looking more tempting by the minute, especially with the weight savings. Hope some dyno results come soon too.

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