Flowtech Headers, Mufflers & More

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: Today

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Headers, Long Tube, Steel, Painted, Dodge, Plymouth, B, E, Body, Big Block, B, RB, Pair

Part Number: BIG-13130FLT

3.5 out of 5 stars ( 4 )

Estimated Ship Date: May 4, 2026 if ordered today

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

Part Number: BIG-11132FLT

4.13 out of 5 stars ( 15 )

Estimated Ship Date: May 1, 2026 if ordered today

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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: Today

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Headers, Upsweep, Stainless Steel, High-temperature Black Paint, Standard Flange, 2 1/4 in. Primary Tube O.D., Round Port, Chevrolet, Big Block, Pair

Part Number: BIG-11553FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 4, 2026 if ordered today

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Headers, Long Tube, Steel, Painted, Dodge, Plymouth, Cars, 273, 318, 340, 360, Pair

Part Number: BIG-13100FLT

3.67 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Painted, 1.625 in. x 3 in., Chevy, 283-400, Pair

Part Number: BIG-11106FLT

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Headers, Upright, 1 5/8 in. Primary, 3 in. Collector, Stainless Steel, Natural, Chevy, Small Block, Pair

Part Number: BIG-11545FLT

3.33 out of 5 stars ( 3 )

Estimated Ship Date: May 4, 2026 if ordered today

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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: Today

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Headers, Long Tube, Steel, Ceramic Coated, Dodge, Plymouth, Body, Big Block, B, RB, Pair

Part Number: BIG-33130FLT

2.67 out of 5 stars ( 6 )

Estimated Ship Date: May 4, 2026 if ordered today

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Headers, Shorty, Steel, Ceramic Coated, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843-1FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Shorty, Steel, Painted, Chevy, GMC, Pickup, 4.8, 5.3L, Pair

Part Number: BIG-91843FLT

5.0 out of 5 stars ( 1 )

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Headers, Shorty, Stainless Steel, Natural, Pair

Part Number: BIG-11547FLT

3.0 out of 5 stars ( 2 )

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Headers, 4-1 One-Piece, Steel, Temporary Non-High Temperature Paint, 1 1/2 in. Primary, Toyota, Each

Part Number: BIG-19000FLT

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Ceramic Coated, Dodge, Plymouth, SUV, W, Series Pickup, 383, 400, 440, Pair

Part Number: BIG-33504FLT

2.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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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: Today

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Headers, Long Tube, Steel, Ceramic Coated, Oldsmobile, Pontiac, Pair

Part Number: BIG-31150FLT

2.56 out of 5 stars ( 9 )

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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: Today

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Headers, Long Tube, Steel, Painted, Jeep, 290-401 V8, Pair

Part Number: BIG-13502FLT

3.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Painted, Pontiac, 326-455, Pair

Part Number: BIG-11170FLT

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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

Part Number: BIG-31142FLT

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Headers, Upright, 1 5/8 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair

Part Number: BIG-11586FLT

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Estimated Ship Date: Today

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Headers, Tri-Y, Steel, Polished, 1 1/2 in. Primary Tube O.D., 2.500 in. Collector Diameter, Angle/Straight Plug, Ford, 4.3L, 4.7L, 5.0L, Pair

Part Number: BIG-12120FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Shorty, 1 5/8 in. Primary, 2.50 in. Collector, Steel, Pair

Part Number: BIG-91674FLT

3.0 out of 5 stars ( 2 )

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Headers, 4-1 One-Piece, Stainless Steel, Polished, 1 1/2 in. Primary, Toyota, Each

Part Number: BIG-19002FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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