H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 425 lbs/inch - R25120425 fits_2004-2013`Mazda`3 With up to a 53%

With up to a 53% increase in flow over stock

The oil and fuel vapors can condense on sensors

and this doesn

Whether you're waking up early to trek to those prime fishing locations or staying out late exploring the trails

This trunk spoiler is made to fit all the W212 E-Class sedans including the E250 E300 E350 E500 and E63

H&R 2.5 inch ID Single Race Spring Length 12 inch Rate 425 lbs/inch - R25120425 fits_2004-2013`Mazda`3 With up to a 53%H&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