Rear bumper defuser vents - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Contender · 03-17-2020, 09:44 PM

Hard to get a good picture, as the right one looks a little off but in person it looks even. I just wanted a different look will try and get a better picture soon.

https://www.ft86club.com/forums/atta...1&d=1584495523

Ernest72 · 03-18-2020, 01:11 PM

Wonder how functional they are. I would spray paint them black or a color to match.

RayRay88 · 03-18-2020, 01:23 PM

Quote:

Originally Posted by Ernest72

Wonder how functional they are. I would spray paint them black or a color to match.

No where close to a properly designed diffuser, or even a half bumper cut. It's something drag racers started (couldn't tell you why).

Contender · 03-18-2020, 05:14 PM

Quote:

Originally Posted by RayRay88

No where close to a properly designed diffuser, or even a half bumper cut. It's something drag racers started (couldn't tell you why).

Of course its not a proper design its factory lol...I only did it to be different plus I think its cool looking and I thing the half bumper cuts look like shit. I have yet to see a good looking defuser. Not expecting what I did to give me any less wind drag but, it could the rear defuser or bumper I should say is a parachute. Here is a little better pic.

Contender · 03-18-2020, 05:16 PM

Quote:

Originally Posted by Ernest72

Wonder how functional they are. I would spray paint them black or a color to match.

I thought about painting them but I like the way it stands out. The whole point was to look different.

Vracer111 · 03-18-2020, 07:43 PM

When you have an aftermarket/custom exhaust that doesn't have that huge, deep transverse mounted muffler designed to work with the bumper, the rear end is definitely better planted at high speed with the fake diffusor section removed. Much more unstable feeling at high speeds if you leave it on, very noticeable on the stock tires. I'll take function over subjective looks ... though I do think the car looks better with the fake diffusor section removed.

Vents you did look nice - plan to put any additional ones on it further from center?

ls1ac · 03-18-2020, 08:18 PM

I think of this like personal bling, beats hello kitty on the back window.
He likes it why not let him do it. No functional gain just a fun DIY.

Contender · 03-18-2020, 08:24 PM

Quote:

Originally Posted by Vracer111

When you have an aftermarket/custom exhaust that doesn't have that huge, deep transverse mounted muffler designed to work with the bumper, the rear end is definitely better planted at high speed with the fake diffusor section removed. Much more unstable feeling at high speeds if you leave it on, very noticeable on the stock tires. I'll take function over subjective looks ... though I do think the car looks better with the fake diffusor section removed.

Vents you did look nice - plan to put any additional ones on it further from center?

Yeah I get function over looks...I just don't care for the looks of a cut bumper but than again, I haven't seen one in person. I have a muffler delete so that was my reason to cut vents well that and just going for looks. I may cut some more further out towards the muffler tips.

makinen · 03-26-2020, 12:46 AM

For function, not there but above.

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ichitaka05 · 04-26-2020, 10:01 AM

Quote:

Originally Posted by makinen

For function, not there but above.

Attachment 185993

That was dif cooler exit vent. It was pretty cool design

Ernest72 · 04-29-2020, 11:28 AM

Quote:

Originally Posted by Contender

I thought about painting them but I like the way it stands out. The whole point was to look different.

Not sure what color your car is, but maybe red to really stick out.

03-17-2020, 09:44 PM	#1
Contender Senior Member Join Date: Nov 2018 Drives: 2017 Toyota 86 Location: Washougal Posts: 130 Thanks: 6 Thanked 51 Times in 29 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Rear bumper defuser vents Hard to get a good picture, as the right one looks a little off but in person it looks even. I just wanted a different look will try and get a better picture soon. https://www.ft86club.com/forums/atta...1&d=1584495523 Attached Images

03-26-2020, 12:46 AM	#9
makinen Senior Member Join Date: Jan 2013 Drives: Toyota 86 Location: South Korea Posts: 267 Thanks: 127 Thanked 201 Times in 115 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	For function, not there but above. __________________ /* Custom underbody panels and diffuser Custom electric water pump and PWM controller HKS GT EL header, 17MY intake manifold */

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03-18-2020, 01:11 PM	#2
Ernest72 Senior Member Join Date: Jul 2016 Drives: 16 Silver BRZ, 04 Silver WRX wagon Location: Rockland county, NY Posts: 1,412 Thanks: 182 Thanked 768 Times in 439 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Wonder how functional they are. I would spray paint them black or a color to match.

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