Summit Racing SpeedCard - learn how to get 10% back up to $100

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Flowmaster 80 Series Crossflow Mufflers

4.55 out of 5 stars 29 Customer Reviews

Producing an aggressive muscle car sound, the Flowmaster 80 Series crossflow mufflers are specially designed for applications where the muffler must be mounted transversely behind the rear axle. Whether you need to match an OEM exhaust system or are looking for increased ground clearance, these mufflers fit the bill. They are available in your choice of single inlet/dual outlet or dual inlet/dual outlet configurations--order yours today!

Results 1 - 6 of 6

Muffler, 80 Series, Crossflow, 409 Stainless Steel, Single 2.5 in. Offset Inlet, Dual 2.5 in. Offset Outlets, Each

Part Number: FLO-842583

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

Muffler, 80 Series, Crossflow, Oval, Stainless Steel, Black, Single 2.5 in. Offset Inlet/Outlet, Each

Part Number: FLO-842580

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

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

Part Number: FLO-42582

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

Muffler, 80 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-43083

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

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 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

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

Part Number: FLO-52580

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/19/2025

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Estimated Ship Date: Monday 5/19/2025

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