FLOWMONSTER 409SS OVAL CASE ABSORPTION MUFFLER FLOWMONSTER MUFFLER - 2.50 CENTER IN/2.50 OFFSET OUT - 4.00 x 9.00 OVAL CASE - STRAIGHT THROUGH PERFORMANCE - MODERATE SOUND - 409 STAINLESS STEEL Vehicle Type 4/6 CYL Engine Classic Muscle Car Late Model Muscle Car Street/Strip Street Rod Truck/SUV PART# 11256-FM