Flowtech Headers, Mufflers & More

Headers, Shorty, Stainless Steel, Natural, Ford, Pair

Part Number: BIG-12148FLT

1.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Steel, Natural, Pair

Part Number: BIG-10005FLT

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Shorty, Steel, Silver Ceramic Coated, Ford, Mercury, Pair

Part Number: BIG-32103FLT

3.22 out of 5 stars ( 9 )

Estimated Ship Date: May 11, 2026 if ordered today

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Muffler, Purple Hornie, 2 1/4 in. Inlet/2 1/4 in. Outlet, Purple Steel, Each

Part Number: BIG-50225FLT

4.87 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Lakester, Steel, Silver Ceramic Coated, D-port, Street Rod, Chevy Small Block, Pair

Part Number: BIG-11702-1FLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Headers, Shorty, Steel, Painted, Dodge, Pickup, 5.7L, Pair

Part Number: BIG-91946FLT

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair

Part Number: BIG-11585FLT

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Exhaust Gaskets, Header, P73 Ferroglass, Rectangle Port, Chrysler, Dodge, Plymouth, Small Block LA, Kit

Part Number: BIG-99361FLT

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Shorty, Steel, Silver Ceramic Coated, Chevy, GMC, Pair

Part Number: BIG-31142FLT

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Headers, Long Tube, Steel, Painted, Ford, Mercury, Car, Small Block, Pair

Part Number: BIG-12100FLT

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Crossover Pipe, Long X-Pipe, Steel, Aluminized, 3 in. Diameter, Universal, Fabrication Required, Kit

Part Number: BIG-53623FLT

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Headers, Full-Length, Steel, Ceramic Coated, Jeep, 290-401, V8 AMC, Pair

Part Number: BIG-33550FLT

2.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Headers, Shorty, Steel, Ceramic Coated, Ford, Pickup, SUV, 5.0L, Pair

Part Number: BIG-91627-1FLT

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Muffler, Raptor Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Aluminized Steel, Each

Part Number: BIG-50052FLT

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Upright, 1 3/4 in. Primary, 3 in. Collector, Stainless Steel, Natural, Chevy, Small Block, Pair

Part Number: BIG-11546FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 11, 2026 if ordered today

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Header Extension, Afterburner Thrust Toobs, Bolt-On, 3 Bolt, 3.00 in. Inlet/Outlet, 12.00 in. Length, Pair

Part Number: BIG-10511FLT

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Natural, Pair

Part Number: BIG-10110FLT

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Bracket, Air Conditioning, Steel, Chevy, Small Block, Kit

Part Number: BIG-10042FLT

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Long Tube, Steel, Painted, Chevy, Big Block, Pair

Part Number: BIG-11130FLT

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Headers, Fenderwell, Steel, Painted, Jeep, 5.0L, 304, AMC V8, Pair

Part Number: BIG-13550FLT

3.58 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Muffler, Raptor Turbo, 2 1/4 in. Inlet/2 1/4 in. Outlet, Aluminized Steel, Each

Part Number: BIG-50051FLT

4.35 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Exhaust Gaskets, Header, Real-Seal, Chevy, Big Block, Pair

Part Number: BIG-99153FLT

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

Headers, Shorty, Steel, Ceramic Coated, Dodge, 5.2, 5.9L, Pair

Part Number: BIG-91945-1FLT

4.0 out of 5 stars ( 4 )

Estimated Ship Date: May 11, 2026 if ordered today

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Headers, Afterburner, Long Tube, Steel, Painted, Chevy, GMC, Small Block, Pair

Part Number: BIG-49150FLT

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Muffler, Red Hots, 2 1/2 in. Inlet/2 1/2 in. Outlet, Red Steel, Each

Part Number: BIG-50252FLT

4.61 out of 5 stars ( 36 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air