H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 400 lbs/inch - R25100400 Wastegate Accessories TQ and offers an aggressive

TQ and offers an aggressive growl under load

yet maintaining a subtle tone at cruising speeds

the I-beam design is meticulously TIG welded to form a lightweight

This Magnum FORCE intake system was designed around the largest filter possible to allow maximum performance and filtration

Universal Tip Fits 4 in

H&R 2.5 inch ID Single Race Spring Length 10 inch Rate 400 lbs/inch - R25100400 Wastegate Accessories TQ and offers an aggressiveH&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