StreetZeal Diffuser - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

streetzeal · 12-08-2014, 03:01 PM

GROUP BUY: http://www.ft86club.com/forums/showthread.php?t=79074

Hey guys,
We are not new to the car scene by any means but just recently have started to produce parts for the FRS/BRZ. We still are tweeking molds/designs but i want to get your guys input on our current StreetZeal diffuser. In our opinion there are not many good options currently on the market and a diffuser can really complete the look of the tail section while improving the aerodynamics. Pictures below and feel free to add constructive criticism as we are always looking to improve our designs.

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picture update:

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GROUP BUY:
http://www.ft86club.com/forums/showthread.php?t=79074

Vten · 12-08-2014, 03:21 PM

I kinda like it. I would reduce the gap in between the diffuser and the exhaust , angled it just like the center parts ,then add fins at the end of it ....just my0.02 tho.

mav1178 · 12-08-2014, 03:26 PM

Quote:

Originally Posted by streetzeal

In our opinion there are not many good options currently on the market and a diffuser can really complete the look of the tail section while improving the aerodynamics.

I'll bite:

How does this inprove the aerodynamics? Please provide some data.

-alex

8R6 · 12-08-2014, 03:27 PM

nice. looks like the diffusers for the s2k and Z's. i was gonna get one from an s2k and cut it up, but it was way too much work for me to make it worth it, so i just got a driveway labs one. this one looks like it's more cosmetic than functional though based on the length of the undertray portion.

IceFyre13th · 12-08-2014, 03:52 PM

nice, finally someone who gets design that flows with the car......not just some flat plate.

Only comment I have is the mounting on the fenders, hide those brackets and its a winner

fang_gt86 · 12-08-2014, 03:55 PM

I'd put four "small" fins under it. I think it'll look and function better.

streetzeal · 12-08-2014, 03:58 PM

Quote:

Originally Posted by Vten

I kinda like it. I would reduce the gap in between the diffuser and the exhaust , angled it just like the center parts ,then add fins at the end of it ....just my0.02 tho.

I appreciate the insight, We have some fins in the making right now and have tested a few designs. We might also have a few different options of fins.

DrunkMonkey45 · 12-08-2014, 04:01 PM

I'm interested I like it needs a couple fins and I'd possibly be down. And depending on price of said finned version

streetzeal · 12-08-2014, 04:02 PM

Quote:

Originally Posted by mav1178

I'll bite:

How does this inprove the aerodynamics? Please provide some data.

-alex

Alex,

We have not done any wind tunnel testing and chances are we probably wont, so the facts will all remain theory based but anytime you can redirect air from being caught in the rear bumper you are reducing drag. The stock muffler on the car did an ok job of this but with most people on here running a/m systems it allows alot more resistance in the rear of the car. it will be awhile before we find any downforce numbers as right now we are still working on production details.

streetzeal · 12-08-2014, 04:05 PM

Quote:

Originally Posted by BRGT86

nice. looks like the diffusers for the s2k and Z's. i was gonna get one from an s2k and cut it up, but it was way too much work for me to make it worth it, so i just got a driveway labs one. this one looks like it's more cosmetic than functional though based on the length of the undertray portion.

The undertray goes back a few inches from diff mount (as far back as we could reasonably make it for the different exhaust options) so it definitely will provide function as well.

streetzeal · 12-08-2014, 04:07 PM

Quote:

Originally Posted by fang_gt86

I'd put four "small" fins under it. I think it'll look and function better.

Great idea, and we are on it! we have tested multiple fins and will give 4 a shot.

KAR · 12-08-2014, 04:11 PM

on the corner where it meets the black side of the bumper.. you can maybe make it flow better.. if you can make it the same "surface" as the black part of the bumper, then that will be golden..

GT86meMR2 · 12-08-2014, 04:13 PM

Looks really nice!

jvincent · 12-08-2014, 04:13 PM

Any chance you can post a picture from directly under the lift?

I'll second the mounting bracket comment and the fins as well.

12-08-2014, 03:01 PM	#1
streetzeal Member Join Date: Nov 2014 Drives: 2013 Scion FRS Location: Vancouver Canada Posts: 40 Thanks: 21 Thanked 23 Times in 13 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	StreetZeal Diffuser GROUP BUY: http://www.ft86club.com/forums/showthread.php?t=79074 Hey guys, We are not new to the car scene by any means but just recently have started to produce parts for the FRS/BRZ. We still are tweeking molds/designs but i want to get your guys input on our current StreetZeal diffuser. In our opinion there are not many good options currently on the market and a diffuser can really complete the look of the tail section while improving the aerodynamics. Pictures below and feel free to add constructive criticism as we are always looking to improve our designs. picture update: GROUP BUY: http://www.ft86club.com/forums/showthread.php?t=79074 Last edited by streetzeal; 12-29-2014 at 02:40 PM.

12-08-2014, 03:27 PM	#4
8R6 Senior Member Join Date: Jan 2014 Drives: FRS Location: SoCal Posts: 2,086 Thanks: 2,738 Thanked 1,338 Times in 746 Posts Mentioned: 30 Post(s) Tagged: 2 Thread(s)	nice. looks like the diffusers for the s2k and Z's. i was gonna get one from an s2k and cut it up, but it was way too much work for me to make it worth it, so i just got a driveway labs one. this one looks like it's more cosmetic than functional though based on the length of the undertray portion. __________________ Team BRG inspire-usa My car build #8R6

12-08-2014, 03:52 PM	#5
IceFyre13th Senior Member Join Date: Jun 2013 Drives: Mazdarati Location: Arizona Posts: 1,238 Thanks: 608 Thanked 1,369 Times in 675 Posts Mentioned: 8 Post(s) Tagged: 1 Thread(s)	nice, finally someone who gets design that flows with the car......not just some flat plate. Only comment I have is the mounting on the fenders, hide those brackets and its a winner __________________ It's only impossible if you stop to think about it.

12-08-2014, 03:55 PM	#6
fang_gt86 FR Noob Join Date: Jun 2013 Drives: FR-S Location: DFW Posts: 792 Thanks: 218 Thanked 614 Times in 318 Posts Mentioned: 2 Post(s) Tagged: 3 Thread(s)	I'd put four "small" fins under it. I think it'll look and function better. __________________ "I'm having too much fun to care about horsepower" - Unknown 6MT FR-S Whiteout:OFT- OTS V2 Stage 2 (93oct & E85), Tomei UEL, Invidia OP, JDL UltraQuiet FP, Ark Grip catback, GS hood struts, Perrin Inlet & K&N drop-in

12-08-2014, 04:13 PM	#13
GT86meMR2 Senior Member Join Date: Dec 2012 Drives: MR Spyder/GT86 Location: Belgium,Antwerp,Schelle Posts: 246 Thanks: 188 Thanked 59 Times in 44 Posts Mentioned: 1 Post(s) Tagged: 2 Thread(s)	Looks really nice! __________________ GT86 Current Mods: Ace Header with 350 OP-Berk Frontpipe-Miltek Resonated Catback-OFT-k&n drop in filter

12-08-2014, 03:21 PM	#2
Vten Senior Member Join Date: Aug 2012 Drives: Too heavy Location: Columbus Posts: 788 Thanks: 91 Thanked 288 Times in 186 Posts Mentioned: 7 Post(s) Tagged: 0 Thread(s)	I kinda like it. I would reduce the gap in between the diffuser and the exhaust , angled it just like the center parts ,then add fins at the end of it ....just my0.02 tho.

12-08-2014, 04:11 PM	#12
KAR Senior Member Join Date: Jul 2012 Drives: Whiteout 6spd Location: NJ Posts: 489 Thanks: 21 Thanked 163 Times in 100 Posts Mentioned: 17 Post(s) Tagged: 1 Thread(s)	on the corner where it meets the black side of the bumper.. you can maybe make it flow better.. if you can make it the same "surface" as the black part of the bumper, then that will be golden..

12-08-2014, 04:13 PM	#14
jvincent Senior Member Join Date: Sep 2013 Drives: 2022 WRB BRZ Sport-Tech Location: Ottawa, Canada Posts: 1,746 Thanks: 131 Thanked 1,410 Times in 715 Posts Mentioned: 25 Post(s) Tagged: 2 Thread(s)	Any chance you can post a picture from directly under the lift? I'll second the mounting bracket comment and the fins as well.

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