100% Brand New.Main Material: AluminumColor: Black+SilverSize: 10.2x1.8cm/3.98x0.70''(LxW， Approx)Turbo Sound Size: SFitment Tial Pipe Size: 32mm to 43mmDisplacement: 1000-1600ccApplication: Universal fitment for all vehicles modelsMake your vehicle sound like a turbo vehicle with the turbo system or blow off valve.Installation:1. Loosen the bolt on the Turbo Sound Whistle.2. Insert the the Turbo Sound Whistle into the tailpipe.3. Tighten the bolt so as not to fall off while driving.Note:1.This turbo sound is not suitable for extremly curved pipes， if curvature is minor，the fitting bracket mabe slightly curved to match the tail pipe.2.Not suitable for pipes having smaller or bigger diameter than 32mm to 43mm.3.For taill pipes with deflected outlet，it might be necessary to modify slightly the shape to allow installation.4.Prior to the purchase and installation， please make sure that the interior of the tail pipe is suitable and sufficiently long(11-12cm) to contain the turbo sound device.5.Periodically (after 500-1000km) check and re-tighten the bolt and rock nut.6.The manufactures disclaims any consequent damage from misuse，modification or improper use.Note: Due to the difference between different monitors， the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Thank you!Package Content:1 x Turbo Sound Whistle1 x Small Spanner1 x Screw