Length: 140mm/5.51",Diameter: 63mm/2.48". 58mm Universal Car Black Stainless Steel Rear Exhaust Pipe Tail Muffler Tip. Practical function: Flow-through mufflers can increase exhaust flow and power, provide and reduce back pressure, while absorbing sound waves. design: design gives your car a cooler look with a decorative effect only They will decorate the exterior of your car, add a sporty effect and make your car stand out from the crowd. Automobile exhaust pipes can reduce vehicle programming noise, protect automobile exhaust pipes, prevent rain and pollution, improve the grade of the car, enhance the overall beauty of the car and enhance the driving experience