Strong Stainless steel construction gives superior strength and appearance, keeps your pipe in place. With extra high-temperature coating process, durable, high temperature resistant and anti-corrosion, superior longevity. Universal design, suitable for most riding motorcycles, scooters, ATV, etc. A good accessory for your motorcycle exhaust pipe, Maitain your exhaust system longer. Dimension: Total Length: approx.63mm / 2.5″ (stretched length about 80mm); Spring Length: approx.4omm / 1.6″; Spring Thickness: 9mm / 0.35″. Please check carefully the diatance of the diatance of the spring mounting loop on your exhaust system before purchase to make sure it will fit first. Package Content: 6 x Motorcycle Exhaust Pipe Spring. Instruction is NOT included. Professional installation is highly recommended. Buy with confidence! We offer the 365-Day warranty and lifetime support. If you have any question on use, kindly contact us at any time directly, we will solve the problem for