Flowtech Headers, Mufflers & More

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: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Painted, Dodge, RWD, 4WD, 4.7L, Pair

Part Number: BIG-91944FLT

2.89 out of 5 stars ( 9 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

• Free Shipping

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: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

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

Part Number: BIG-32169FLT

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Temporary Black Paint, Jeep, Each

Part Number: BIG-92003FLT

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Painted, Ford, 4.6L, Pair

Part Number: BIG-91670FLT

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Today

Headers, Shorty, Stainless Steel, Polished, Toyota, Pair

Part Number: BIG-11147FLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 9, 2025 if ordered today

• Free Shipping
• Special Order

Headers, Shorty, Stainless Steel, Natural, Toyota, Pair

Part Number: BIG-11146FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Lakester, Steel, Chrome, D-port, Street Rod, Chevy Small Block, Pair

Part Number: BIG-11702-2FLT

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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

Part Number: BIG-91834FLT

Not Yet Reviewed

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Painted, Cadillac, Chevy, GMC, SUV, Pickup, 6.0L, V8, Pair

Part Number: BIG-91835FLT

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Block Hugger, Steel, 2.5 in. Collector, Round Port, Street Rod, Chevy Small Block LS, Pair

Part Number: BIG-11706FLT

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Reducers 3 in. x 2.125 in., 3 Bolt Flange, Pair

Part Number: BIG-10007FLT

4.89 out of 5 stars ( 9 )

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

• Free Shipping

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: Oct 14, 2025 if ordered today

• Free Shipping

Headers, Shorty, Steel, Ceramic Coated, Ford, Pickup, SUV, 5.8L, Pair

Part Number: BIG-91628-1FLT

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Headers, Shorty, Steel, Painted, Ford, Mustang, 4.6L, Pair

Part Number: BIG-12124FLT

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Manifolds, Cast, LS Swaps, Silver Ceramic, Pair

Part Number: BIG-31730-1FLT

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Exhaust Systems, Axle-Back, Rear Axle-back, Dual, Stainless Steel, Natural, Split Rear Exit, Polished Tips, Chevrolet, 6.2L, Kit

Part Number: BIG-51600FLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Block Hugger, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: BIG-31000FLT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 14, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order