Feature 1Acoustic Control: The muffler is designed with excellent, sound absorbing manufacturing, giving a low, deep tone that is reverberated to increase sound. 2Size: The inlet outer diameter is approximate 2.5in, and the outlet outside diameter is approximate 4in/10.16cm. Please measure your car's inlet before purchasing. 3Excellent Quality: The side walls of the muffler are made of two layers of stainless steel, which has better surface, wear resistant, high temperature proof, will not easily deform. 4Practical: This muffler's straight through shape helps relieves back pressure, vibration while absorbing sound waves, to improve driving experience. 5Installation: Installed towards the end of a vehicle's exhaust system, work on the principle of destructive interference and absorption.Item Type:ExhaustMuffler TipMaterial:StainlessSteel .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Length: Approx. 18.5inInlet Outer Diameter: Approx. 2.5inOutlet Outside Diameter: Approx. 4in/10.16cmFitment:Universal fitPackage List1 x Exhaust Muffler Tip