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http://www.planet-9.com/gallery/files/3/risernews.jpg Are you looking to make more of a statement with your GT4? Perhaps you'd like to avail yourself of more downforce by placing your wing in a smoother airflow. Are you tired of not being able to see well out of the back of your GT4? For these reasons and more Fabspeed has developed a GT4 Wing Riser Extension to take your wing to new heights. We had the opportunity to install a set of these risers on our GT4 and have crafted the following article for your reading pleasure: GT4 Wing Riser Install Article

Please note that we have additional photos of the installation in our Article Images Gallery section dedicated to the install. John at Fabspeed has also posted previously about this item and you can find the prior discussion Here. We hope you enjoy the article and please let us know your thoughts on the article, the product and whatever you'd like us to cover next.
 

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Any testing to indicate that these actually do what is stated by your article? (Ref, more downforce)
 

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Any testing to indicate that these actually do what is stated by your article? (Ref, more downforce)
I don't have a wind tunnel at my disposal, however, another manufacturer of similar risers reported that they did achieve more downforce and provided measurements, they also did track testing. I don't recall at what speeds they achieved more downforce or by how much. Do I notice a difference in sub 100 mph driving? No. Would it make a difference on the track? I believe so if you properly tuned your aero for whatever you were trying to achieve.
 

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Sounds reasonable. Seems the race teams are using similar risers on the GT4 Club.
 
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