Header Reducers & Extensions

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 Collector Extensions, 3.0 in. 3-Bolt Flange, 3 in. Pipe, Pair

Part Number: HOK-11230HKR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Header Starter Tubes, Ball and Socket, 2-Bolt Flange, 304 Stainless Steel, 2.5 in. Diameter, O2 Bungs, Pair

Part Number: JBA-31650-1ST

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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 COLLECTOR ADAPTER

Part Number: STW-HCA3-53-5O2

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Estimated Ship Date: Oct 13, 2025 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53O2

Not Yet Reviewed

Estimated Ship Date: Oct 13, 2025 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-52-5O2

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Estimated Ship Date: Today

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Natural, Set of 10

Part Number: BIG-10002FLT

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Estimated Ship Date: Sep 8, 2025 if ordered today

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA32-25O2

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Estimated Ship Date: Oct 13, 2025 if ordered today

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