Application:Universal fits for all vehicle with right sizeDescription:- Made from light weight material- Easy to install, beautiful appearance, very fashionable, low cost, is the first choice for decorative car. The length of the product is only the length of the whistle, not the length of the fixed frame Widely used for all vehicle models.- Made of light weight aluminum CNC Machined from 6061 T-6 AluminumColor:Black/Gold/RedMaterial:Aluminum alloyInstallation:- Loosen the screw on the Turbo Sound Whistle- Place the Turbo Sound Whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler- Screw the screws on to tighten the item so doesn't fall off while drivingSize: STail Pipe diameter : 32-43mmLength: 11cmDisplacement: 1000-1600ccSize: MTail Pipe diameter :37-48mmLength: 11cmDisplacement:1600-2000ccSize:LTail Pipe diameter :44-55mmLength:11cmDisplacement :2000-2400ccSize:XLTail Pipe diameter:56-85mmLength: 12cmDisplacement: 2400+ccFunction:- Make your vehicle sound like a turbo vehicle with the turbo system or blow off valve- Install on Aftermarket muffler, Catback, Axleback muffler it will not produce any sound.Package included:1 x Turbo Sound TwisterDear buyers,you will get 100% as same as the below photo shows: