The full carbon fiber rear diffuser from Agency Power is a perfect match to the Porsche 997 Turbo styling. Designed to fit in replace of the factory black plastic lip, the new carbon fiber diffuser sits approximately 1 inch lower down then stock. The rear diffuser features aerodynamic strakes that jet out from the rear end to keep air flow laminar while giving the vehicle a more aggressive look. Able to be used with stock or aftermarket exhaust systems, the carbon fiber diffuser is finished in a beautiful glossy clear coated 2x2 weave that also matches our front lip spoiler and rear add on GT2 spoiler. The carbon fiber diffuser includes all necessary hardware to install and is designed to fit all Porsche 997 Turbo rear bumpers from 2007-2013.