material Light weight and durability This is High quality of Metal material Easy installation, Excellent fitment and Superior Material Get the sound of sports car, Remote control and very easy. Power connection: 12V power supply, three ways to connect 1. Connect the lighter, 2. Connect the battery (turn off the engine no power, need fuse wire) 3. Connect ACC (turn off the engine without power, need fuse wire) Short time 400 high temperature continuous operation, 360 high temperature without deformation, non flame retardant prevent voltage and current instability from causing damage to the motor The controller/battery connection also does not consume power Made of 304 stainless steel material, it is more - and convenient for welding Normal use in rainstorm weather, waterproof and flood proof Flame-retardant materials can withstand open flames without injury (fire and heat resistance) Type: 63mm Exhaust Valve Muffler Cutout Kit Condition: Fitment Type:Direct Replacement Fitment:For Universal Colour:As Shown Material:Metal Package Contents: 1 x 63mm Exhaust Valve Muffler Cutout Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.