Availability
Header Reducers
Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Natural, Pair
Part Number: HED-21101
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, 3-Bolt Flange, 3 in. Inlet, 3 in. Outlet, Steel, Aluminized, Pair
Part Number: HED-21121
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, Steel, Slip-On, 2 1/2 in. Primary Tube Diameter, 2.00 in. Collector Diameter, Pair
Part Number: HED-21111
Estimated Ship Date: Today
Estimated Ship Date: Today
Collector Reducers, 3-Bolt, 2.50 in. to 2.25 in., O2 Sensor Bungs, Gaskets, Fasteners, Pair
Part Number: PTE-H7232
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3.0 in. Inlet, 3.0 in. Outlet, Pair
Part Number: JEX-AHB3
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, 3-Bolt Flange, 2.50 in. Inlet, 2.00 in. Outlet, Steel, Natural, Pair
Part Number: SUM-G4755ID
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, 3-Bolt Flange, Steel, Natural, 2.5 in. Inlet, 2.5 in. Outlet, 4 in. Length, Each
Part Number: APH-9071
Estimated Ship Date: Today
Estimated Ship Date: Today
Collector Reducer 2 1/2"
Part Number: PTE-H7249
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, Aluminumized Steel, 3-Bolt Flange, 3.0 in. Inlet, 2.5 in. Outlet, Pair
Part Number: JEX-AHC1
Estimated Ship Date: Today
Estimated Ship Date: Today
Collector Reducers, 3-Bolt, 2.5 in. to 2.0 in., Gaskets, Fasteners, Pair
Part Number: PTE-H7248
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducer, Ball/Socket Flange, 3 in. Inlet, 2.5 in. Outlet, Oxygen Sensor Fitting, Steel, Each
Part Number: SUM-626104
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducer, Ball and Socket Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each
Part Number: HED-21117
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Collector Adapter, Reducer, 3.5 in. 3-Bolt Flange, 2.5 in.Out., 6.0 in. OAL., 304L SS, Each
Part Number: STW-HCA3-52-5
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Header Collector Reducers, Steel, Zinc Plated, 3-Bolt, 2.50 in. Diameter, Composite Gaskets, Pair
Part Number: PTE-H7242
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Starter Tubes, Ball/Socket, 2-Bolt Flange, 409 Stainless Steel, 2.5 in. Diameter, with JBA-1653, Pair
Part Number: JBA-1653ST
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, 409 Stainless Steel, Natural, Pair
Part Number: SUM-G4750SS
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Aluminized, Pair
Part Number: HED-21110
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducer, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Oxygen Sensor Fitting, Steel, Each
Part Number: HED-21126
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Reducer, Ball and Socket Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Painted, Each
Part Number: HED-21116
Estimated Ship Date: Today
Estimated Ship Date: Today
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA2-52-25O2
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Reducers 3 in. x 2.125 in., 3 Bolt Flange, Pair
Part Number: BIG-10007FLT
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA2-52O2
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
This product may not be eligible for select promotional offers
3 1/2" 3 bolt, 3 1/2" od outlet, 6" overall length. 304 S/S Construction, tig welded, 3/8" thick laser cut fl
Part Number: STW-HCA3-53-5
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
This product may not be eligible for select promotional offers
Header Reducer, Terminator Reducers/Street Hookups, 3 Bolt, Inlet 3.5 in., Outlet 2.5 in., Each
Part Number: BIG-10016FLT
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
This product may not be eligible for select promotional offers
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA3-52-5O2
Not Yet Reviewed
Estimated Ship Date: Jun 4, 2026 if ordered today
Estimated Ship Date: Jun 4, 2026 if ordered today
This product may not be eligible for select promotional offers
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