Vibrant Performance has one of the most complete offerings of mufflers resonators for all segments of the industry. Our 'true straight through' internals feature a stainless steel perforated tube that is wrapped in our premium quality, multi - layer sound suppression materials that will produce a low, deep tone while allowing for unrestricted flow and maximum horsepower. Vibrant Performance mufflers resonators are the perfect fit and suitable for all naturally aspirated and forced induction applications.