FORD 6.4L/390 Exhaust

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

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Tomorrow

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

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Tomorrow

Header Studs, 12-Point Nuts, Custom 450, Black Oxide, Ford, V8, Set of 16

Part Number: ARP-100-1404

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Tomorrow

Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Ford, Set of 16

Part Number: MRG-2231G

4.58 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

Header Studs, Hex Nuts, Custom 450, Black Oxide, Ford, V8, Set of 16

Part Number: ARP-100-1414

4.3 out of 5 stars ( 10 )

Estimated Ship Date: Tomorrow

Header Studs, Hex Nuts, Stainless Steel, Polished, 3/8 in.-16, Ford, V8, Set of 16

Part Number: ARP-400-1414

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Tomorrow

Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18230

4.79 out of 5 stars ( 19 )

Estimated Ship Date: Tomorrow

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, 3/8-16 in., 1.000 in. UHL, Ford, Set of 16

Part Number: STG-8934

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, Dodge, Ford, GMC, Plymouth

Part Number: WLK-21151

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Muffler, Glasspack, Red Pack, Steel, Red, 2.00 in. Inlet/2.00 in. Outlet, 26 in. Length, Each

Part Number: MPE-13134

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18177

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Exhaust Manifold Bolts, Steel, Natural, Ford, Set of 16

Part Number: SDK-EMB-C9OE-530

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each

Part Number: WLK-18132

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Ford, Each

Part Number: WLK-22000

1.0 out of 5 stars ( 2 )

Estimated Ship Date: May 21, 2026 if ordered today

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• Special Order

Mufflers, Direct Fit SoundFX, Steel, Aluminized, 32.500 in. Overall Length, Ford, Each

Part Number: WLK-18231

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
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Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7855

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Special Order

Muffler, Tru-Fit Series, Steel, Aluminized, 2.00 in. Inlet/2.00 in. Outlet, Each

Part Number: WLK-18129

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order