Exhaust Pipe Oversized Speaker Refitted With Turbine Whistle Features: This product is suitable for all automobile models and brands. Made of aluminum, light weight and. installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system. Loosen the bolt on the Turbo Sound Whistle. Insert the the Turbo Sound Whistle into the tailpipe. Tighten the bolt so as not to fall off while driving. Product Description: Product Description: Normally: S is suitable for 1.0-1.6 displacement, and the diameter of exhaust pipe is 32-43mm M is suitable for 1.6-2.0 displacement, and the diameter of exhaust pipe is 37-48 mm L is suitable for 2.0-2.4 displacement, and the diameter of exhaust pipe is 44-55mm XL size is suitable for displacement above 2.4, and the diameter of exhaust pipe is 56-85mm Package includes: 1*Exhaust Pipe Oversized Sound Maker High-Quality Materials:Crafted from premium materials,our products are built to last,ensuring durability and reliability for everyday use Sleek and Modern Design:with sleek and modern designs,our products not only serve their practical purposes but also enhance the aesthetic appeal of any living space Easy Maintenance and Cleaning:Designed for practicality,our products are easy to maintain and clean,allowing you to keep your living space neat and tidy with minimal effort Enhanced Safety Features:Prioritizing safety,our products incorporate enhanced safety features to provide peace of mind for you and your family,ensuring a secure living environment Customer Satisfaction Guarantee:Backed by a customer satisfaction guarantee,our products come with responsive customer support,ensuring your peace of mind throughout your purchase and beyond