1973 Flowmaster Parts and Accessories

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Aluminized Steel, Black, Each

Part Number: FLO-42443

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Exhaust, Tailpipes, Stainless Steel, 2.5 in. Diameter, Chevy, Pontiac, Pair

Part Number: FLO-815801

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust, Tailpipes, Steel, Aluminized, 2.5 in. Diameter, Chevy, Pontiac, Pair

Part Number: FLO-15801

4.48 out of 5 stars ( 27 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust, Tailpipes, Stainless Steel, 2.5 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: FLO-815802

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942543

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942451

4.3 out of 5 stars ( 20 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842541

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Super 44 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842548

4.76 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Super 44 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842546

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust, Tailpipes, Steel, Aluminized, 2.5 in. Diameter, Dodge, Plymouth, B-Body, Pair

Part Number: FLO-15806

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust, Tailpipes, Steel, Aluminized, 2.5 in. Diameter, Ford, Mercury, Pair

Part Number: FLO-15807

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust Tip, Single, Oval, Clamp-on, Stainless, Polished, 2.5 in. Inlet I.D., 10 in. Length, Each

Part Number: FLO-15385

4.69 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942041

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust System, American Thunder, Header-back, Stainless Steel, Natural, Rear Exit, Dodge, Plymouth, Kit

Part Number: FLO-817585

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Super 44 Series, 3 in. Inlet/3 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-843048

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, FlowFX Series, 3 in. Inlet/2.5 in. Outlets, Stainless Steel, Natural, Each

Part Number: FLO-72198

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Muffler, 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042543

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, 80 Series, Crossflow, Internal Chamber, Dual Style, 2 1/2 in. Inlet/Outlet Each End, 18 x 9 3/4 x 4 in. Oval Case, Steel, Black, GM, Each

Part Number: FLO-42582

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Exhaust Tip, Single, Rectangular, Weld-on, Stainless, Polished, 2.5 in. Inlet I.D., 3.0 x 5.5 in. Outlet, Each

Part Number: FLO-15354

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Muffler, FlowFX Series, 2.25 in. Inlet/2.25 in. Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71235

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

Intermediate Pipes, Steel, Aluminized, 3 in. Outside Diameter, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: FLO-1040FM

Not Yet Reviewed

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942043

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, Delta Flow 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943043

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, 80 Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-42583

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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Muffler, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-12418409

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

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