Welcome to our store. Quality is our top priority, supported by excellent service. Dimensions: 12 x 7.5 x 3.5 cm (4.72 x 2.95 x 1.38 in) (L x W x H) Weight: 128 g Package Includes: 1 x Exhaust Pipe Turbo Sound Fake Blow-Off Simulator 1 x Set of Screws 1 x Spanner Size Guide: - S size: Suitable for engine displacement 1.0–1.6 L; exhaust pipe diameter 32–43 mm - M size: Suitable for engine displacement 1.6–2.0 L; exhaust pipe diameter 37–48 mm - L size: Suitable for engine displacement 2.0–2.4 L; exhaust pipe diameter 44–55 mm - XL size: Suitable for engine displacement above 2.4 L; exhaust pipe diameter 56–85 mm Product Name: Exhaust Pipe Whistle Simulator Available Colors: Silver, Gold, Black, Blue, Purple Features: - Produces a clear whistle-like sound - Compatible with most vehicles equipped with a straight exhaust pipe - Easy to install - Designed for aesthetic enhancement Note: This product is intended for straight exhaust pipes only. It is not compatible with bent or curved exhaust pipes. The sound produced is similar to a flute, not a sports car exhaust or turbo blow-off sound.