Uxcell a15111300ux0138 Exhaust Muffler Material: Stainless Steel; Package Content: 1 x car Muffler, some install parts Product Name: car Muffler; Color: sliver tone, Blue Dimension: 250 x 170 x 90mm/ 9.8" X 6.7" X 3.5"(L*w*h); outlet Size: 68 x 60mm/ 2.7" X 2.4"(L*w) Inlet diameter: 62mm/ 2.4"; fit pipe diameter: 40-50mm/1.6"-2" Battery included: no