ENGINE_EXHAUST_PIPE Model Number: 495-9900 Item dimensions: H: 0.5 inches, L: 2.7 inches, W: 4.0 inches Imported Item Quantity:1 Stainless Steel Exhaust Springs, 100MM, 2-Pack. Fits Most Exhaust Systems, Sizes 38MM to 100MM. Premium, Tempered 302 Stainless Steel with Swivel Hook for Easy Installation. Recommended Tool: Spring Pull Tool P/N 395-3812. Measurement Tips: 1) Measure off the vehicle, 2) Inside hook to inside hook, 3) Do not extend more than 20% of free length. Always wear eye protection.