The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers.Flowmaster Flowmaster 40 Series Delta Force Race Muffler 8435409Specifications: Description_ABR MUFF 3.50IN Description_SHO MUFF 3.5 C/C 409S 40 Description_INV 3.5 C/C 409S 40 SERIES RACE 4X9 Description_ASC Universal Race Muffler - Not a direct fit. Some adaptation required. Description_DES Flowmaster 40 Series Delta Force Race Muffler Description_EXT 40 Series Race Muffler 409SS - 3.50 Center In / 3.50 Center Out -Aggressive Sound Description_MKT The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Description_FAB Durable fully welded 16 gauge stainless steel - two chamber race muffler Description_FAB Good decibel reduction over open headers Description_FAB No internal packing to blowout Description_FAB Race proven Delta Flow technology Description_ABR MUFF 3.50IN Description_SHO MUFF 3.5 C/C 409S 40 Description_INV 3.5 C/C 409S 40 SERIES RACE 4X9 Description_ASC Universal Race Muffler - Not a direct fit. Some adaptation required. Description_DES Flowmaster 40 Series Delta Force Race Muffler Description_EXT 40 Series Race Muffler 409SS - 3.50 Center In / 3.50 Center Out -Aggressive Sound Description_MKT The Delta Force 40 series race mufflers utilize Flowmaster's Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Description_FAB Durable fully welded 16 gauge stainless steel - two chamber race muffler Description_FAB Good decibel reduction over open headers Description_FAB No internal packing to blowout Description_FAB Race proven Delta Flow technology 614 4.00 615 13.00 621 409 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 3.50 619 Center 1171 3.63 620 1 596 Weld-On 596 Clamp-On 1174 Chambered 622 3.50 304 Center 1172 3.63 623 1 8971 18.00 624 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 3.50 Mount Type Uses New Hangers (Not Included) Muffler Series 40 Series Delta Force Product Type Race Products Vehicle Type Late Model Muscle Car Vehicle Type Classic Muscle Car Vehicle Type Street/Strip Vehicle Type Race Warning California Proposition 65 9957 Slip-Fit 9958 Slip-Fit part type Exhaust Muffler Sub Category Mufflers 614 4.00 615 13.00 621 409 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 3.50 619 Center 1171 3.63 620 1 596 Weld-On 596 Clamp-On 1174 Chambered 622 3.50 304 Center 1172 3.63 623 1 8971 18.00 624 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 3.50 Mount Type Uses New Hangers (Not Included) Muffler Series 40 Series Delta Force Product Type Race Products Vehicle Type Late Model Muscle Car Vehicle Type Classic Muscle Car Vehicle Type Street/Strip Vehicle Type Race Warning California Proposition 65 9957 Slip-Fit 9958 Slip-Fit part type Exhaust Muffler Sub Category Mufflers