HKS Super Turbo Muffler GRB/GRF Roof Racks Quality became our cornerstone—a non-negotiable

Quality became our cornerstone—a non-negotiable standard ensuring durability

Made from high-strength

Old Blue Eyes Metallic

Chassis: F82 (M4 Coupe) / F83 (M4 Convertible)

HKS Super Turbo Muffler GRB/GRF Roof Racks Quality became our cornerstone—a non-negotiable1: About silencer shell type of Silent Hi Power TYPE S Oval silencer for noise reduction. TYPE H Round silencer for performance. 2: Main material in the component figure. ? SUS304 High quality stainless steel. ? SUH409 Stainless steel commonly used for stock exhaust. 3: About center pipe Diameter of center pipe is the portion that has the largest diameter. (Excluding silencer and tip.) It is the condition with stock suspension. 4: Minimum road