Flowtech Headers, Mufflers & More

Headers, SBF Turbo, Down and Forward, Stainless Steel, Natural, 1 7/8 in. Primary, Ford, Small Block Windsor, Pair

Part Number: BIG-12167FLT

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Headers, Shorty, Stainless Steel, Polished, Chevy, GMC, Pair

Part Number: BIG-11549FLT

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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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: Today

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

Part Number: BIG-11530FLT

4.58 out of 5 stars ( 31 )

Estimated Ship Date: Today

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Headers, Turbo, Up and Forward, 304 Stainless Steel, Natural, 1.875 in. Primary, 2.50 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair

Part Number: BIG-11572FLT

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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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: 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, Painted, Chevy, Big Block, Pair

Part Number: BIG-11130FLT

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: BIG-11110FLT

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Ceramic Coated, Pontiac, 326-455, Pair

Part Number: BIG-31170FLT

3.5 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Exhaust Manifolds, Rams Horn, Cast Iron, Natural, Chevy, Small Block, STREET ROD. Pair

Part Number: BIG-11704-RFLT

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Today

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Exhaust Manifolds, Tight Tuck for LS Swaps, 1.75 in. Primaries, with Mating Flanges, Hi-Silicon-Moly Ductile Cast Iron, Black Ceramic Coating, Pair

Part Number: BIG-31730-3FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Upsweep 4x4, Stainless Steel, Natural, 2 1/4 in. Primary, Chevy, Big Block, Pair

Part Number: BIG-11551FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Headers, Long Tube, Steel, Ceramic Coated, Chevy, Big Block, Pair

Part Number: BIG-31132FLT

4.25 out of 5 stars ( 12 )

Estimated Ship Date: Today

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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: Today

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

Part Number: BIG-12102FLT

3.79 out of 5 stars ( 14 )

Estimated Ship Date: Today

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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: Today

Headers, Long Tube, Steel, Ceramic Coated, Ford, Big Block FE, Pair

Part Number: BIG-32542FLT

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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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

Not Yet Reviewed

Estimated Ship Date: Sep 30, 2025 if ordered today

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Exhaust Gaskets, Header, Fiber, Stock Port, Chevy, Small Block, Kit

Part Number: BIG-99161FLT

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Today

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: Today

Headers, Afterburner, Long Tube, Steel, Painted, GM, Car with Chevy, Small Block, Pair

Part Number: BIG-49100FLT

4.0 out of 5 stars ( 7 )

Estimated Ship Date: 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

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Today

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: Today

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Headers, Shorty, Steel, Painted, Chevy, GMC, 5.7L, with A.I.R. Injection, Pair

Part Number: BIG-91831FLT

Not Yet Reviewed

Estimated Ship Date: Today

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