H&R 60mm ID Single Race Spring Length 120mm Spring Rate 220 N/mm or 1256 lbs/inch - RF120220 fits_1992-1998`BMW`3 Series Rich Mellow Exhaust Note

Rich Mellow Exhaust Note

Quiet when you need it to be and aggressive when you want it

2012-2014 Dodge Charger SRT8 6

An auxiliary air inlet can be used

producing a smooth sound

H&R 60mm ID Single Race Spring Length 120mm Spring Rate 220 N/mm or 1256 lbs/inch - RF120220 fits_1992-1998`BMW`3 Series Rich Mellow Exhaust NoteH&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