Availability
Flowmaster High-Flow Performance Mufflers
Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing...
Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting...
Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting durability, Flowmaster mufflers are available in a wide range of inlet and outlet locations, dimensions, and case configurations. Shop the entire selection of Flowmaster performance mufflers at Summit Racing today.
Showing In Stock Items. Show All 64 Items.
Muffler, FlowEx Dual Mode, Direct Fit, Wireless Active Valve, One Turn-Down Tip, 409 Stainless Steel, Dodge, Ram, 1500, 5.7L, Kit
Part Number: FLO-717900
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, FlowFX, Active Dual Mode, Direct Fit, Ram, 5.7L, Each
Part Number: FLO-717915
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, FlowFX, Active Dual Mode, Direct Fit, Chevrolet, GMC, 5.3L, Each
Part Number: FLO-717911
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 40 Series, Oval, Dual 2.5 in. Inlet/Dual 2.5 in. Outlet, Steel, Black, 19.0 in. Overall Length, Each
Part Number: FLO-425404
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, American Thunder 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-430402
Estimated Ship Date: Today
Estimated Ship Date: Today
Direct Fit Muffler, Flowmaster FX Muffler, 409S Stainless Steel, Fits Dual Rear Exit, F150, Ford, Kit
Part Number: FLO-718172
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 10 Series, 3.0 in. Inlet/Dual 2.5 in. Outlets, Stainless Steel, Black, Each
Part Number: FLO-8430152
Estimated Ship Date: Today
Estimated Ship Date: Today
Direct Fit Muffler, Flowmaster Outlaw Muffler, 409S Stainless Steel, Fits Dual Rear Exit, F150, Ford, Kit
Part Number: FLO-818171
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Big Block II 70 Series, Dual 2 1/4 in. Inlet/3 in. Outlet, Steel, Black, Each
Part Number: FLO-524703
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, American Thunder 40 Series, 2 1/2 in. Dual Inlet/3 in. Center Outlet, Steel, Black, Each
Part Number: FLO-425403
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 10 Series, Dual 2.5 in. Inlet/Dual 2.5 in. Outlets, Stainless Steel, Black, Each
Part Number: FLO-8425154
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Steel, Black, Aluminized, Each
Part Number: FLO-524553
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Big Block II 70 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-530702
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler; Super 44 Delta Flow Muffler; 3 in. Center Inlet/2.5 Dual Outlet; Case Dimensions 4 in. x 9.75 in. x 1
Part Number: FLO-8430452
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 80 Series, Crossflow, 409 Stainless Steel, Single 2.5 in. Offset Inlet, Dual 2.5 in. Offset Outlets, Each
Part Number: FLO-842583
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, SUV 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-8524553
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 44 Series, Oval, Dual 2.5 in. Offset Inlet/Outlet, Stainless Steel, Black, Each
Part Number: FLO-8425454
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 10 Series, 2.5 in. Inlet/Dual 2.25 in. Outlets, Stainless Steel, Black, Each
Part Number: FLO-8425152
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 80 Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-42583
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 50 Series, Dual 2 1/4 in. Inlet/Dual 2 1/4 in. Outlet, Steel, Black, Aluminized, Each
Part Number: FLO-524554
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 44 Series, 3 in. Inlet/Dual 2 1/2 in. Outlets, Steel, Black, Each
Part Number: FLO-9430452
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-530513
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Delta Flow 50 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-9430502
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, SUV 50 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-8530552
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 80 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-43083
Estimated Ship Date: Today
Estimated Ship Date: Today
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