Gold Leaf Porsche Cayman GT4 RS Style Carbon Fiber AIR SCOOP Porsche GT4 They're the little rubbery rings

They're the little rubbery rings inside the piston bores (see pic below)

and the entire envelope of the caliper is optimized

Fits all Porsche 987

and consistently is not cheap

065" thick polished T304L stainless steel in our Fort Washington

Gold Leaf Porsche Cayman GT4 RS Style Carbon Fiber AIR SCOOP Porsche GT4 They're the little rubbery ringsRS style carbon fiber intake scoop set for non Weissach GT4 RS Porsche Caymans. FREE SHIPPING IN 48 STATES. [ DESCRIPTION ] Carbon fiber intake scoop set is made with pre preg carbon fiber, cured in autoclave. It is suitable for all Porsche Cayman GT4 RS cars without the Weissach package. Scoops ensure a ram effect for greater air intake flow, thus maximizing performance. With extensive testing and development, these intake scoops are engineered to