Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3.00-inch "straight-through" stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded "bright" 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case.Flowmaster Flow FX MufflerSpecifications: Description_ABR MUFF 2.50IN Description_SHO FM FFX OFF/OFF 2.5 Description_INV 250INOOUTO FLOW FX Description_ASC Universal Muffler - Not a direct fit. Some adaptation required. Description_DES Flowmaster Flow FX Muffler Description_EXT Flow FX Muffler - 2.50 Offset In/ 2.50 Offset Out - Moderate Sound - Stainless Steel Description_MKT Flowmaster's Flow FX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. The interior features a large 3.00-inch "straight-through" stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep traditional mellow tone. The internal flow design is reversible, so the muffler can be installed in either direction to best suit the vehicle application and offsets needed. Features include fully MIG-welded "bright" 409 stainless steel construction with the Flow FX logo embossed on both sides of the case. The Flow FX line of mufflers is perfect for the person looking for a show quality performance muffler at an economical price point and in a compact sized case. Description_FAB Flowmaster quality Straight through design Moderate exterior performance tone Durable fully welded 409S stainless steel case 614 4.00 615 14.00 621 409 Stainless Steel 616 9.00 California Proposition 65 Yes 1882 No 17 Silver 1161 0 Exhaust Tip Quantity Sold Separately 200 Natural 3390 Performance 617 No 618 No 601 2.50 619 Offset 1171 2.63 620 1 596 Weld-On 596 Clamp-On 1174 Absorption 622 2.50 304 Offset 1172 2.63 623 1 598 Single 8971 20.00 624 Yes 33 Oval Sound Level Moderate 626 No 3145 Universal Brand Flowmaster California Proposition 65 Chemical Name Chromium (hexavalent compounds) California Proposition 65 Chemical Name Nickel (Metallic) Category Exhaust Emission Code 5 Fitment Universal Inlet Diameter 2.50 Muffler Series Flow FX Product Type Street Mufflers Vehicle Type Classic Muscle Car Vehicle Type Street/Strip Vehicle Type Street Rod Vehicle Type 4/6 CYL Engine Vehicle Type Truck/SUV Vehicle Type Late Model Muscle Car Warning California Proposition 65 9957 Slip-Fit 9958 Slip-Fit part type Exhaust Muffler Sub Category Mufflers