Premium Acoustic Control:EVIL ENERGY muffler is densely packed with excellent,sound-absorbing cotton,giving a low,deep tone that is reverberated to increase sound;Easy to install,bolts on in minutes Size and Construction:This muffler is having 2.5" inlet,4" exit 18.5" length,polished stainless steel;It is universal,Please measure your car's inlet before purchasing Working Principle:The walls of the muffler are made of two layers of stainless steel,which help reduce vibration and absorb sound Material:The production process of stainless steel is sturdy and stable Distinctive Appearance:The burned blue tip of the muffler offers an artistic focus point to the back of the car. Your vehicle will undoubtedly stand out among the crowd EVIL ENERGY is our brand, we're a direct and professional manufacturer, one of greatest manufacturer and exporter in tuning parts include intake system, exhaust system, fuel system, cooling system, interior and exterior parts. EVIL ENERGY muffler resonator is designed with high quality double-layer stainless steel, dense high quality sound-absorbing cotton to produce a low tone and resonate to enhance the sound. Straight design enhances exhaust flow and reduces back pressure. Mirror polished for a beautiful appearance. Use near the end of your vehicle's exhaust system to make your car stand out from the crowd.