I have a 2007 997 C2 and am about to pull the trigger on lip kit (front and sides). I am down to 2: the Tech Art http://www.sharkwerks.com/products.php?pid=81 and the GT3 Tek http://www.gt3tek.com/products/997lip.htm The sides from the two different companies are very similar. Does anyone have a strong opinion on quality, appearance (not taste...but does one look cheap in person), and longevity?