H&R 60mm ID Single Race Spring Length 25mm Spring Rate 9.5 N/mm or 54 lbs/inch - ZF025-9.5 Blow Off Valves and the diffuser is easily

and the diffuser is easily removable when more ground clearance is needed

It provides a smooth transition for the air from the aFe air intake tube to the turbo with minimum restriction

If you spend any time behind the wheel of your 955 or 957 Cayenne

Elite 2500 with RACE FUNCTIONS - Plug 'n' Play Adaptor Harness ECU Kit - Subaru Liberty/Legacy Gen 4 3

H&R 60mm ID Single Race Spring Length 25mm Spring Rate 9.5 N/mm or 54 lbs/inch - ZF025-9.5 Blow Off Valves and the diffuser is easilyH&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