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Old 02-08-2015, 03:39 PM   #1
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Kirk on here did this...



Bumper off so one might see where to trim the heat shield..


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Old 02-08-2015, 03:44 PM   #2
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rear

WOW !! This is great.
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Old 02-08-2015, 03:58 PM   #3
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....and Toms BSR

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Old 02-08-2015, 06:50 PM   #4
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While we're doing semi-naked tail shots:

You can see the lip that I had to bend up to create airflow. I do put the rear aluminum bumper back on, just in case. I have no quantitative data, but I believe that my spoiler configuration creates a low pressure area that helps pull air/heat through the vents in the bumper cover. The back end of the car certainly gets dirty quickly!
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Old 02-09-2015, 02:10 PM   #5
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I have no quantitative data, but I believe that my spoiler configuration creates a low pressure area that helps pull air/heat through the vents in the bumper cover. The back end of the car certainly gets dirty quickly!
I think you have created a parachute with a slow vent at top and a huge back draft- none of which you want. It won't take effect until around 60 mph though. Be careful cornering at the limit above that.
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Old 02-09-2015, 05:49 AM   #6
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Originally Posted by jaykay View Post
Kirk on here did this...



Bumper off so one might see where to trim the heat shield..


Boy that sure changes the back end. Can I ask again where can you get those LED taillights? Thanks for the pics.

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Old 02-09-2015, 12:07 PM   #7
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Quote:
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Kirk on here did this...



Bumper off so one might see where to trim the heat shield..


I really want to hate this, but it is WAY too cool!
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Old 02-09-2015, 03:25 PM   #8
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I really want to hate this, but it is WAY too cool!
Yep gotcha....I am a bit of purist when it comes body kit mods .....but this is even has me wavering a bit
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Old 02-09-2015, 03:54 PM   #9
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I figure that Porsche must have considered the design of the rear bumper and found any alterations unnecessary - modern cars have to be designed with max mpg in mind so if there were any 'parachute' effects from the rear, they would have addressed them.
At speed I expect the air just flows by - kind of like an upside down pick up - where it is much better to leave the tailgate up!
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