HKS 120mm Matte Black Inner Muffler Silencer Performance Suspension Check that all mounting bolts

Check that all mounting bolts are tight and the regulator track is free of debris

Designed to provide superior lighting and a modern appearance

40-minute chill time

Red cotton construction captures dirt while maintaining airflow

Black finish — Matches OEM trim and blends with front end styling

HKS 120mm Matte Black Inner Muffler Silencer Performance Suspension Check that all mounting boltsHKS 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