Size: Modified Turbo Car Whistle Please Do Not Install A Pipe Inlet Larger Than 2.5 Inches. It Has The Function Of Direct Replacement. The Exact Matching Kit Can Be Installed In The Exhaust Pipe Of The Car. Strict Quality Control Has Been Carried Out To Ensure That It Meets The Product Standards And The Car Turbo Whistle Is Suitable For All Vehicles. Material: The Turbo Muffler Is Made Of Lightweight Aluminum Alloy Cnc And Processed From 6061 T-6 Aluminum Which Is Durable Rust-Resistant Corrosion-Resistant And Wear-Resistant Features: With This Universal Turbo Whistle Your Car Will Make A Very Nice Sound When Starting And Driving Which Is Unprecedented! Location: After Installing The Engine Whistle The Pressure Blowing From The Turbo Sound Whistle Will Make Your Vehicle Sound Like A Turbocharger With A Turbocharger System Or Exhaust Valve. The Universal Car Turbo Whistle Is Easy To Install And Has A Beautiful Appearance And A Very Stylish Appearance. This Is The Best Choice For Purchasing A Vehicle! Attention: The Metal Material Will Have Friction During Transportation Please Understand That The Product May Have Minor Defects!