Availability
Header Reducers
Header Reducers, 3-Bolt Flange, 2.50 in. Inlet, 2.00 in. Outlet, Steel, Natural, Pair
Part Number: SUM-G4755ID
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Reducers 3 in. x 2.125 in., 3 Bolt Flange, Pair
Part Number: BIG-10007FLT
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA2-52-25O2
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
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: Tomorrow
Estimated Ship Date: Tomorrow
Header Reducer, Ball and Socket Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each
Part Number: HED-21117
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Reducer, 3-Bolt, 4-Bolt, Universal Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Natural, Each
Part Number: HED-21108
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA2-52O2
Not Yet Reviewed
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA3-52-5O2
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Header Reducers, Stainless, Natural, Ball and Socket Flange, 2.5 in. Collector, 2.0 in. Reducer Outlet, Pair
Part Number: HED-22123
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA3-53-5O2
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
HEADER COLLECTOR ADAPTER
Part Number: STW-HCA32-25O2
Not Yet Reviewed
Estimated Ship Date: May 12, 2026 if ordered today
Estimated Ship Date: May 12, 2026 if ordered today
Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Natural, Set of 10
Part Number: BIG-10002FLT
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster