Header Reducers & Extensions

Header Extension, Afterburner Thrust Toobs, Bolt-On, 3 Bolt, 3.00 in. Inlet/Outlet, 12.00 in. Length, Pair

Part Number: BIG-10511FLT

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 2.125 in. Outlet, Steel, Painted, Pair

Part Number: HOK-11030HKR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Steel, Natural, Pair

Part Number: BIG-10005FLT

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Today

Header Reducer, Ball/Socket Flange, 3 in. Inlet, 3 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: SUM-626100

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Header Reducers, 2.500 in. Diameter, Ball and Socket Flange, Steel, Aluminized, Each

Part Number: HED-21153

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each

Part Number: SUM-626103

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Collector Reducer 2 1/2"

Part Number: PTE-H7249

Not Yet Reviewed

Estimated Ship Date: Today

Header Reducer 3" with welded rings small end 2 1/2" pair

Part Number: TRD-9374

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, 2 in. Length, Set of 6

Part Number: STG-8950A

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

Header Collector Extensions, Slip-On, 3.00 in. Diameter, 18.0 in. Length, Pair

Part Number: SUM-670167

Not Yet Reviewed

Estimated Ship Date: Today

Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3 in. Inlet, 2.50 in. Outlet, Pair

Part Number: JEX-AHB1

4.0 out of 5 stars ( 4 )

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

Collector Flanges, 3-Bolt, 3.5 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7261

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: STW-HCA2-52-5O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Collector Extensions, 3.0 in. 3-Bolt Flange, 2.25 in. Pipe, Pair

Part Number: HED-18803

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

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

Part Number: JBA-31650ST

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Header Reducers, Straight, 3-bolt Flange, Steel, Painted, 2.5 in. To 2.25 in., Pair

Part Number: SNH-S-RED25

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, 1 in. Length, Set of 6

Part Number: STG-8950

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Header Collector Extensions, 3.5 in., Slip-Fit, 18-Gauge, Fits 3.5 in. Pipe, 24 in. Length, Each

Part Number: SCH-240035

5.0 out of 5 stars ( 2 )

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 Reducer, Ball/Socket Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Pair

Part Number: HED-21141

3.0 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

Collector Bolts, Hex Head, Stainless Steel, Natural, 3/8 in.-16 x 1.0 in. Long, Set of 6

Part Number: SUM-G1590HS

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Today

Collector Flanges, 3-Bolt, 2.5 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7259

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Today

Header Collector Extensions, 3-Bolt, 2.50 in. Diameter, 12.0 in. Length, Gaskets, Fasteners, Pair

Part Number: SUM-670160

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today