H&R 60mm ID Single Race Spring Length 250mm Spring Rate 120 N/mm or 686 lbs/inch - RF250120 fits_2016-`Porsche`Cayman`718 Each piece is formed using

Each piece is formed using a "pre-preg" or impregnated carbon material delicately placed into a mold and sealed within a vacuum (autoclave) for precise curing

the cat-back exhaust system resulted in gains up to + 9 horsepower and + 16 lbs

(6 x 4)" Flange ID x (8-1/4 x 6-1/4)" Base x (7-1/4 x 5)" Top x 10" Height

Mandrel bent 409 stainless steel tubing and high flow transverse muffler offers maximum exhaust flow and incorporates a factory style exhaust valve to control the exhaust note

H&R 60mm ID Single Race Spring Length 250mm Spring Rate 120 N/mm or 686 lbs/inch - RF250120 fits_2016-`Porsche`Cayman`718 Each piece is formed usingH&R 2. 50" I. D. Race Springs are made with extremely high tensile strength wire alloy which allows the use of a thinner wire. Manufactured using advanced materials and precision technology in Germany, H&R 2. 50" I. D. Race Springs are crafted from special lightweight (hf) 54SiCr6 spring steel. For any given spring rate, they are on average 15% lighter and have 10% more travel than competitors' springs. Main springs range from 6" to 18" in length and