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 Turbo Whistle Sound Enhancement – Instantly upgrade your vehicle’s exhaust tone with this turbo whistle mod, creating a deep, turbocharged sound effect without an actual turbo system. Perfect for automotive enthusiasts seeking an aggressive engine note. Universal Fit & Easy Bolt-On Installation – Designed to fit most car models (32–85mm exhaust diameters). Simply insert into the tailpipe, tighten the bolt, and enjoy—no complex modifications required. Durable Aluminum Construction – Lightweight yet sturdy aluminum build ensures longevity and resistance to high exhaust temperatures while maintaining optimal sound amplification. Displacement-Specific Sizing – Choose from four sizes (S, M, L, XL) tailored to your engine’s displacement (1.0L–2.4L+). Refer to the product description for the perfect match. Complete Kit Included – Comes with 1 oversized sound amplifier for immediate installation. Transform your driving experience with this budget-friendly, attention-grabbing upgrade!