Flowtech Parts and Accessories

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 10/26/2026 if shipped by air

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Intermediate Pipes, Steel, Aluminized, 2.5 in. Outside Diameter, Ford, 5.0L, Pair

Part Number: BIG-53609FLT

4.11 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Headers, Shorty, Steel, Painted, Cadillac, Chevy, GMC, 5.7L, Pair

Part Number: BIG-91837FLT

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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Muffler, Red Hots, 2 1/4 in. Inlet/2 1/4 in. Outlet, Red Steel, Each

Part Number: BIG-50251FLT

4.55 out of 5 stars ( 22 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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

Part Number: BIG-50250FLT

4.33 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Headers, One-Piece Long Tube, 1 5/8 in. Primaries, Stock 3-Bolt Flange, 3 in. Collectors, Oval Ports, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: BIG-31106FLT

4.6 out of 5 stars ( 45 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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: Monday 10/26/2026 if shipped by air

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Exhaust System, Super Street, Header-Back, Steel, Aluminized, Chevy, GMC, 4WD, V8, Kit

Part Number: BIG-51525FLT

3.57 out of 5 stars ( 35 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Headers, Long Tube, Steel, Painted, Dodge, W100, W150, W200, Pickup, Big Block, B, RB, 4WD, Pair

Part Number: BIG-13504FLT

4.18 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Headers, Shorty, Stainless Steel, 1-3/4 in. Primary, Natural, Ford Small Block, Pair

Part Number: BIG-12164FLT

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/26/2026 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 10/26/2026 if shipped by air

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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 10/26/2026 if shipped by air

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

Part Number: BIG-31150FLT

2.56 out of 5 stars ( 9 )

Estimated Ship Date: Nov 6, 2026 if ordered today

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Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, Ford, Mercury, 2.0L, 2.3L, Each

Part Number: BIG-12160FLT

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

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Headers, Turbo, Up and Forward, 304 Stainless Steel, Polished, 1.875 in. Primary, 2.500 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair

Part Number: BIG-11573FLT

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Estimated Ship Date: Monday 10/26/2026 if shipped by air

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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 10/26/2026 if shipped by air

Muffler, Warlock, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Gray, Each

Part Number: BIG-50552FLT

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Flowtech Decal, 4.250 in. Length, 3.250 in. Width, Black/Red/Silver, Vinyl, Adhesive, Pair

Part Number: BIG-MP1001FLT

Not Yet Reviewed

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Headers, Street Rod, Steel Painted, Universal, 396-454, Chevy, Pair

Part Number: BIG-11030FLT

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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Headers, Tri-Y, Steel, Temporary non-high Temperature Paint, Pair

Part Number: BIG-12119FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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Headers, Shorty, Steel, Painted, 2.5 in. Collector, Round Port, Jeep, 3.8L, Pair

Part Number: BIG-92004FLT

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 9, 2026 if ordered 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: Nov 9, 2026 if ordered today

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

Part Number: BIG-91950-1FLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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Headers, Shorty, Steel, Temporary non-high, Temperature Paint, Pair

Part Number: BIG-11143FLT

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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Headers, SBF Turbo, Down and Forward, Stainless Steel, Polished, 1 3/4 in. Primary, Ford, Small Block Windsor, Pair

Part Number: BIG-12165FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 9, 2026 if ordered today

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