Header Reducers & Extensions

Header Reducer, 3-Bolt, 4-Bolt, Universal Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Natural, Each

Part Number: HED-21108

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Collector Reducers, 3-Bolt, 2.5 in. to 2.0 in., Gaskets, Fasteners, Pair

Part Number: PTE-H7248

4.5 out of 5 stars ( 4 )

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Collector Bolts, Split Lock, 3/8-16 in., 12-Point Head, 1.000 in. UHL, Steel, Black Oxide, Set of 6

Part Number: SUM-910130

Not Yet Reviewed

Estimated Ship Date: Today

Collector Adapter 3" inlet 3" outlet with O2 bung

Part Number: STW-HCA33-O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Reducers, Collector Reducers, 3-bolt Flange, 3.000 in. Collector Diameter, 2.500 in. Reducer Outlet Diameter, Stainless Steel, Natural, Each

Part Number: STW-HCA32-5O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Reducers, Aluminumized Steel, 3-Bolt Flange, 3.0 in. Inlet, 2.5 in. Outlet, Pair

Part Number: JEX-AHC1

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Today

Header Collector Extensions, 3.5 in., Slip-Fit, 18-Gauge, Fits 3.5 in. Pipe, 12 in. Length, Each

Part Number: SCH-120035

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Exhaust Reducer, Stainless Steel, 2.5 in. to 2.0 in. Diameter, Natural, Each

Part Number: STW-HCA2-52

Not Yet Reviewed

Estimated Ship Date: Today

Header Collector Extensions, 3.0 in., Slip-Fit, 18-Gauge, Fits 3.0 in. Pipe, 12 in. Length, Each

Part Number: SCH-120030

Not Yet Reviewed

Estimated Ship Date: Today

Header Collector Reducers, Steel, Zinc Plated, 3-Bolt, 2.50 in. Diameter, Composite Gaskets, Pair

Part Number: PTE-H7242

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

Header Collector Adapter, Reducer, 2.5 in. 3-Bolt Flange, 2.25 in.Out., 6.0 in. OAL., 304L SS, Each

Part Number: STW-HCA2-52-25

Not Yet Reviewed

Estimated Ship Date: Today

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Aluminized, Pair

Part Number: HED-21110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53O2

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

• Special Order

Header Reducer, Ball and Socket Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Painted, Each

Part Number: HED-21116

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Natural, Pair

Part Number: HED-21101

Not Yet Reviewed

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

3.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

Header Collector Extensions, 3.0 in., Slip-Fit, 18-Gauge, Fits 3.0 in. Pipe, 48 in. Length, Each

Part Number: SCH-480030

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Exhaust Ball Flanges, 2.50 in. O.D., 4.00 in. Length, Stainless Steel, Female, Male, Flanges, Bolts and Nuts, Kit

Part Number: HED-21155

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Natural, Each

Part Number: HED-21106

Not Yet Reviewed

Estimated Ship Date: Today

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: Aug 4, 2025 if ordered today

• Drop Ship
• Special Order

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.0 in. Outlet, Steel, Zinc, Gaskets, Hardware, Pair

Part Number: PTE-H7250

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

Collector Fastener, Wedge-Locking Collector Bolt, Hex Head, Steel, Black Oxide, 3/8-16 in., Set of 6

Part Number: PRO-66757

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Exhaust Collector Flanges, 2-Bolt, 2.0 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7257

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today