Vibrant Performance 10536 Vibrant Performance StreetPower Performance Vibrant Performance 1034 STREETPOWER Oval Muffler w 4.5" x 3" Oval An Vibrant StreetPower Oval Muffler (2.25 Center Inlet & Outlet, Flat Black) Vibrant Universal Streetpower 2.25in Stainless Steel Dual In Out Oval Vibrant 1132 Muffler StreetPower 2 3 4 in Center Inlet Outlets 5 Vibrant Performance 1125 Vibrant Performance StreetPower Performance. 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.