Flowtech Headers, Mufflers & More

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

Part Number: BIG-11130FLT

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Ceramic Coated, Ford, Mercury, 351C, 4V, Pair

Part Number: BIG-32118FLT

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Painted, Dodge, D, W, Series Pickup, 273, 318, 340, 360, RWD, 4WD, Pair

Part Number: BIG-13500FLT

3.27 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Painted, Chevy, GMC, SUV, Pickup, Small Block, Pair

Part Number: BIG-11506FLT

4.68 out of 5 stars ( 28 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Black Painted, Chevy, Small Block, Pair

Part Number: BIG-11112FLT

4.93 out of 5 stars ( 29 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Shorty, 304 Stainless Steel, Polished, 1 5/8 in. Primary, 3/8 in. Flange, Chevy, LS Swap, Pair

Part Number: BIG-11579FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Turbo, Up and Forward, 304 Stainless Steel, Natural, 1.750 in. Primary, 2.50 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair

Part Number: BIG-11569FLT

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Shorty, Stainless Steel, Polished, 1 5/8 in. Primary, Chevy, Small Block, LS, Pair

Part Number: BIG-11576FLT

3.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/1/2025

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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 12/1/2025

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Crossover Pipe, X-Pipe, Steel, Natural, Fits Long Tube Header, 2.5 in. Diameter, Ford, 4.6L, Kit

Part Number: BIG-12114YFLT

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Ceramic Coated, Chevy, GMC, SUV, Pickup, Big Block, Pair

Part Number: BIG-31530FLT

4.35 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Painted, Ford, Mercury, Pair

Part Number: BIG-12102FLT

3.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Long Tube, Steel, Painted, Chevy, K, V, Series Pickup, 250, 292, L6, Pair

Part Number: BIG-11510FLT

3.31 out of 5 stars ( 13 )

Estimated Ship Date: Monday 12/1/2025

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Header Extensions, Hugger Toobs, Steel, Natural, 2 1/2 in. Collector, Pair

Part Number: BIG-10010FLT

4.05 out of 5 stars ( 19 )

Estimated Ship Date: Monday 12/1/2025

Headers, Shorty, Stainless Steel, Natural, 1 5/8 in. Primary, Chevy, GMC, Small Block, Pair

Part Number: BIG-11578FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Shorty, Steel, Temporary Black Paint, Chevy, GMC, Pair

Part Number: BIG-11142FLT

Not Yet Reviewed

Estimated Ship Date: Monday 12/1/2025

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Headers, LS Turbo, Forward and Up, Stainless Steel, Silver Ceramic Coated, 3.00 in. Collector Diameter, Round Port, Chevrolet, Small Block LS, Pair

Part Number: BIG-31537FLT

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Muffler, Purple Hornie, 3 in. Inlet/3 in. Outlet, Steel, Purple, Each

Part Number: BIG-50231FLT

4.52 out of 5 stars ( 31 )

Estimated Ship Date: Monday 12/1/2025

Headers, Shorty, Stainless Steel, Natural, 1 5/8 in. Primary Tube O.D., 2.500 in. Collector Diameter, D-port, Ford, 4.6L, Pair

Part Number: BIG-12134FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Headers, Shorty, Steel, Painted, Chevy, GMC, S-Series, SUV, Pickup, Small Block V8, Pair

Part Number: BIG-11502FLT

1.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/1/2025

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Exhaust Manifolds, Cast, LS Swaps, Natural, Pair

Part Number: BIG-11730FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/1/2025

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Muffler, Purple Hornie, 3 in. Inlet/2 1/4 in. Outlet, Purple Steel, Each

Part Number: BIG-50230FLT

4.28 out of 5 stars ( 25 )

Estimated Ship Date: Monday 12/1/2025

Headers, Shorty, Steel, Painted, 2.50 in OEM Flange, Dodge, Ram, 5.7L, Pair

Part Number: BIG-91950FLT

1.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/1/2025

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Fitting, Bung, Weld-In, Oxygen Sensor, 18mm x 1.5, Steel, Each

Part Number: BIG-10120FLT

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/1/2025

Headers, Shorty, Steel, Painted, 2.5 in. Collector, D-port, Ford, 5.4L, Pair

Part Number: BIG-91673FLT

3.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 12/1/2025

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