■ Street strongest bullet type legal tuning muffler that brings out maximum performance and power while adopting strict regulations. ■ JASMA certified product. ■ Exceeds JASMA standards without sacrificing performance. Tuning muffler follows the racing spirits of the Persimmon Kai New Racing (R) model from 2006 (06) named Regu.06&R Leg-Zero Locool - ■ Street focused on the market to bring out maximum performance. Provides medium and low torque, power up and quick response across the entire range. ■Material: Stainless steel (excluding some parts) ■Main pipe diameter: 50-90φ ■Tail diameter: 100φ (some models 90φ) ■Tico diameter: 150φ (some models 130φ) ■ Flip: Yes (except some models) ■ Shaking: Yes (except some models) ■Inner silencer: optional settings ■Special coating (patent pending) ■ Curl tail Lightweight flange ■ Full Tig finish; Internal combustion structure; Power reducer structure; SUS304 main pipe; JASMA certificate and plate included.