Uxcell a15120500ux0539 4 Pcs 45mm Length Exhaust Pipe Muffler Springs Swivel for Motorcycle, 4 Pack Color: sliver tone Dimension: 45 x 10mm/ 1.8 x 0.4 inches(lmax.D) Product name: motorcycle exhaust pipe spring Material: Stainless Steel Package content: 4 x motorcycle exhaust pipe spring