Super 10™ Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow® technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Flowmaster Super 10 Series Stainless Steel - 2.50 in. IN/OUT - Aggressive Sound 842512Specifications: Description_ABR MUFF 2.50IN Description_SHO FM10SRS CEN/OFF 2.5 Description_INV 2.5 IN(C)/2.5 OUT(O) SUPER 10 409S Description_ASC Universal Muffler - Some adaptation may be required. Description_DES Flowmaster Super 10 Series Chambered Muffler Description_EXT Super 10 Series Stainless Steel - 2.50 in. IN/OUT - Aggressive Sound Description_MKT Super 10™ Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow® technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Description_FAB 409S Stainless Steel Construction Description_FAB Aggressive Sound Description_FAB Flowmaster Chambered Technology Description_FAB Premium Quality Description_ABR MUFF 2.50IN Description_SHO FM10SRS CEN/OFF 2.5 Description_INV 2.5 IN(C)/2.5 OUT(O) SUPER 10 409S Description_ASC Universal Muffler - Some adaptation may be required. Description_DES Flowmaster Super 10 Series Chambered Muffler Description_EXT Super 10 Series Stainless Steel - 2.50 in. IN/OUT - Aggressive Sound Description_MKT Super 10™ Series 409S stainless steel, single chamber mufflers. Intended for customers who desire the loudest and most aggressive sound they can find. Because these mufflers are so aggressive, they are recommended only for off highway use and not for street driven vehicles. These mufflers utilize the same patented Delta Flow® technology that is found in Flowmaster's other Super series mufflers to deliver maximum performance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability. Description_FAB 409S Stainless Steel Construction Description_FAB Aggressive Sound Description_FAB Flowmaster Chambered Technology Description_FAB Premium Quality 614 4.25 615 6.50 621 409 Stainless Steel 616 9.75 California Proposition 65 Yes 1882 No 17 Black 1161 0 Exhaust Tip Quantity Sold Separately Finish High-Temperature Paint 3390 Performance 617 No 618 No 601 2.50 619 Center 1171 2.63 620 1 596 Weld-On 596 Clamp-On 1174 Chambered 622 2.50 304 Offset 1172 2.63 623 1 624 No 33 Oval Sound Level Aggressive 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 Mount Type Uses New Hangers (Not Included) Muffler Series Super 10 Series Product Type Super 10 Muffler Vehicle Type Truck/SUV Vehicle Type Street Rod Vehicle Type Classic Muscle Car Vehicle Type Street/Strip Vehicle Type Late Model Muscle Car Warning California Proposition 65 9957 Slip-Fit 9958 Slip-Fit part type Exhaust Muffler Sub Category Mufflers 614 4.25 615 6.50 621 409 Stainless Steel 616 9.75 California Proposition 65 Yes 1882 No 17 Black 1161 0 Exhaust Tip Quantity Sold Separately Finish High-Temperature Paint 3390 Performance 617 No 618 No 601 2.50 619 Center 1171 2.63 620 1 596 Weld-On 596 Clamp-On 1174 Chambered 622 2.50 304 Offset 1172 2.63 623 1 624 No 33 Oval Sound Level Aggressive 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 Mount Type Uses New Hangers (Not Included) Muffler Series Super 10 Series Product Type Super 10 Muffler Vehicle Type Truck/SUV Vehicle Type Street Rod Vehicle Type Classic Muscle Car Vehicle Type Street/Strip Vehicle Type Late Model Muscle Car Warning California Proposition 65 9957 Slip-Fit 9958 Slip-Fit part type Exhaust Muffler Sub Category Mufflers This Part Fits: Year Make Model Submodel Notes 2015 Ford Mustang GT