Yet Another Diffuser Thread - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

boredom.is.me · 11-13-2013, 10:40 PM

I got my exhaust in and installed today! I want to have the design completed by this weekend. Also I do not need the diffuser to extend as far back now.

boredom.is.me · 11-21-2013, 05:34 PM

Rainy day. I have to make the fins next. This is smaller than the mock-up and follows a curved profile. I will also not mount this to the bumper. I did not round the rear of this because I think it is unnecessary for a test piece.

These pictures really show the two sides to the original.

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Gunman · 11-21-2013, 09:56 PM

Is this second mockup going to be flat with a kink line and slope up, or curved?

It's hard to visualize what is where, from the cardboard template on the floor. Looking forward to more pix.

boredom.is.me · 11-21-2013, 10:37 PM

I am pushing for the curve.

A friend just brought up the idea of making a molded part. Hmmm.

boredom.is.me · 11-22-2013, 11:37 AM

The exhaust cutout was purposely left unfinished. I also left the excess area on the fins just to keep it strong in its cardboard form. It is curved, but relaxed in this pic. And I have to trim end down. I cut on the wrong side of the tape.

EDIT: There are two more smaller fins between the outer fins.

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boredom.is.me · 11-22-2013, 04:31 PM

Everything is glued together now. Now I have to position it and make the mounting brackets.

Ammonia · 11-22-2013, 06:22 PM

Nice, interested to see the results! What are the differences between this and the Driveway Labs one? Seems like more of the same, just an observation.

On a tangent, can you not post pictures side by side? Its annoying to have to scroll three pages ---------> just to see the rest.

empower-auto · 11-22-2013, 06:41 PM

Pretty happy with my Driveway Labs one. Making your own is cool and all but make sure it's unique enough before you start selling

boredom.is.me · 11-24-2013, 12:18 AM

Quote:

Originally Posted by Ammonia

Nice, interested to see the results! What are the differences between this and the Driveway Labs one? Seems like more of the same, just an observation.

On a tangent, can you not post pictures side by side? Its annoying to have to scroll three pages ---------> just to see the rest.

The two main differences are that mine does not extend past the "fake bumper diffuser fang thing" and that it is curved. My design uses welds instead of rivets. In the rear, mine bolts to the car, not the bumper. My fins aren't as "look at me". They are smooth and better flow with the shape of the car (opinion). Keep in mind that the extra box edge is just a result of adding material for strength purposes. It is cardboard after all.

Quote:

Originally Posted by empower-auto

Pretty happy with my Driveway Labs one. Making your own is cool and all but make sure it's unique enough before you start selling

I'm not interested in selling. This is for me and is tailored to my Tsudo exhaust. I mean if someone wants one, I should be able to have more made, but I do not intend on modifying my design, so fitment would be their issue.

A general update:
1) I haven't heard back from the machine shop. I'll try calling on Monday.
2) I got the forward mounts designed and mocked up.
3) I know what the material cost is. I still have no idea what the fabrication cost will be. I'm aiming for half of the cost of the DWL.
4) I will try to have the mock-up mounted to the car tomorrow.

I just have to finish the rear mounts.

boredom.is.me · 11-25-2013, 12:14 AM

One fin got a bit crushed and the driver side has a fold (it was a box after all). Aside from that and the fin shape, this is pretty much how it will fit. I need to move the inner fins in slightly too.

I have another really cool idea to play with, but I'll just keep that to me right now.

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JiB · 11-25-2013, 01:57 AM

how do u plan on mounting it? i have found that there isnt much stable things under there

boredom.is.me · 11-25-2013, 09:23 AM

There are lot's of stable points under there. Although the tape was there, it was mounted on 3 out of 4 corners.

Joakim3 · 11-25-2013, 11:32 AM

I'm loving the descreat look of it, hopefully it functions as good as the driveway labs as there's was aero tested via Fluid Dynamics

SloS14 · 11-25-2013, 11:43 AM

Quote:

Originally Posted by Joakim3

I'm loving the descreat look of it, hopefully it functions as good as the driveway labs as there's was aero tested via Fluid Dynamics

I wood hope so. For all intensive purpoces its basically the same as they'res.

11-22-2013, 06:41 PM	#22
empower-auto Kouki-Monster Join Date: May 2012 Drives: 2013 Scion FR-S Location: Saskatoon, SK Posts: 1,137 Thanks: 11 Thanked 562 Times in 261 Posts Mentioned: 6 Post(s) Tagged: 0 Thread(s)	Pretty happy with my Driveway Labs one. Making your own is cool and all but make sure it's unique enough before you start selling __________________ Rich Anderson EMPOWER AUTO

11-25-2013, 01:57 AM	#25
JiB * Join Date: May 2012 Drives: GT86 Location: Sydney Posts: 845 Thanks: 525 Thanked 266 Times in 144 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	how do u plan on mounting it? i have found that there isnt much stable things under there __________________

11-25-2013, 11:32 AM	#27
Joakim3 Senior Member Join Date: May 2013 Drives: 04' Saab 9-5 Aero Location: Elkridge, MD Posts: 602 Thanks: 7 Thanked 199 Times in 136 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	I'm loving the descreat look of it, hopefully it functions as good as the driveway labs as there's was aero tested via Fluid Dynamics __________________ _____________________ You know what they say... pick two: cheap, fast, reliable.

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Ammonia Senior Member Join Date: Jun 2013 Drives: Whiteout FRS, Audi A4, 135i (sold) Location: Fayetteville, NC Posts: 918 Thanks: 1,440 Thanked 567 Times in 289 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Nice, interested to see the results! What are the differences between this and the Driveway Labs one? Seems like more of the same, just an observation. On a tangent, can you not post pictures side by side? Its annoying to have to scroll three pages ---------> just to see the rest.

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