HKS 120mm Matte Black Inner Muffler Silencer Performance Suspension CNC-machined precision ensures perfect fitment

CNC-machined precision ensures perfect fitment between throttle body and intake manifold without modification – eliminates risk of vacuum leaks or sealing issues

Complete 39-piece set ready to grab and go

How do they fit under a race suit

Red cotton construction captures dirt while maintaining airflow

HKS 120mm Matte Black Inner Muffler Silencer Performance Suspension CNC-machined precision ensures perfect fitmentHKS 3306 RA071 120mm Matte Black Inner Muffler Silencer HKS Inner Muffler Silencers give car enthusiasts the option to lower the sound output of an exhaust system. These silencers are inserted into the tip section of the muffler, reducing noise levels of an exhaust by an average of 7db. They can be inserted for daily street use or removed for maximum performance when visiting the track. HKS Inner Muffler Silencers are made from high quality stainless