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Header Reducers

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Collector Adapter Kit 3in to 2.5in Tube Quick View
Hooker

Collector Adapter Kit 3in to 2.5in Tube

$89.39 $84.47
BBVM_42107HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in ID Outlet - Band Bolt Clamp - Stainless - Natural - Kit
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3in To 2.5in Reducers (pair) Quick View
Hooker

3in To 2.5in Reducers (pair)

$59.25
BBVM_11040HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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3.5in To 3in Reducers (pair) Quick View
Hooker

3.5in To 3in Reducers (pair)

$63.35
BBVM_11036HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3-1/2 in Inlet to 3 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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3.5in To 2.5in Reducers (pair) Quick View
Hooker

3.5in To 2.5in Reducers (pair)

$63.39
BBVM_11035HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3-1/2 in Inlet to 2-1/2 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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3in To 3in Reducers (pair) Quick View
Hooker

3in To 3in Reducers (pair)

$63.35
BBVM_11032HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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3in To 2-1/8in Reducers (pair) Quick View
Hooker

3in To 2-1/8in Reducers (pair)

$67.25
BBVM_11030HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/8 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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2.5in To 2.5in Reducers (pair) Quick View
Hooker

2.5in To 2.5in Reducers (pair)

$63.35
BBVM_11026HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2-1/2 in Outlet - 3-Bolt Flange - Steel - Black Paint - Pair
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2.5in To 2in Reducer Each!! Quick View
Hooker

2.5in To 2in Reducer Each!!

$5.99
BBVM_11024HKR
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2 in Outlet - 3-Bolt Flange - Steel - Black Paint - Each
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S/S Header Reducers - 3in to 2-1/2in Quick View
Hedman Hedders

S/S Header Reducers - 3in to 2-1/2in

$164.99
FBLG_22115
Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
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3in Ball & Socket Flange Kit Stainless Quick View
Hedman Hedders

3in Ball & Socket Flange Kit Stainless

$161.99
FBLG_21156
Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Stainless - Pair
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3in Ball & Socket Flange Kit Aluminized Quick View
Hedman Hedders

3in Ball & Socket Flange Kit Aluminized

$48.99
FBLG_21154
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Aluminized...
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2-1/2in Ball & Socket Flange Kit Aluminized Quick View
Hedman Hedders

2-1/2in Ball & Socket Flange Kit Aluminized

$35.99
FBLG_21153
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Aluminized...
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3in Ball & Socket Flange Kit Steel Quick View
Hedman Hedders

3in Ball & Socket Flange Kit Steel

$37.99
FBLG_21152
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
-2%
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2-1/2in Ball & Socket Flange Kit Steel Quick View
Hedman Hedders

2-1/2in Ball & Socket Flange Kit Steel

$36.99 $35.99
FBLG_21151
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
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3in To 2-1/2in Collector W/O2 Sensor Bung B&S Quick View
Hedman Hedders

3in To 2-1/2in Collector W/O2 Sensor Bung B&S

$23.99
FBLG_21143
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - O2 Bung -...
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3in To 2-1/2in Collector w/O2 Sensor Bung 3 Bolt Quick View
Hedman Hedders

3in To 2-1/2in Collector w/O2 Sensor Bung 3 Bolt

$24.99
FBLG_21142
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Flange - Hardware Included - O2 Bung - Steel - Black...
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3in To 3in Collector W/O2 Sensor Bung B&S Quick View
Hedman Hedders

3in To 3in Collector W/O2 Sensor Bung B&S

$25.99
FBLG_21134
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Ball and Socket Flange - Gaskets Included - O2 Bung -...
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3in To 3in Collector w/O2 Sensor Bung 3 Bolt Quick View
Hedman Hedders

3in To 3in Collector w/O2 Sensor Bung 3 Bolt

$24.99
FBLG_21133
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Flange - Gaskets Included - O2 Bung - Steel - Black...
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02 Reducer 2 1/2-2 1/4 3-Bolt Quick View
Hedman Hedders

02 Reducer 2 1/2-2 1/4 3-Bolt

$23.99
FBLG_21126
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2-1/4 in OD Outlet - 3-Bolt Flange - O2 Sensor Bung / Gasket - Steel - Black...
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Ball & Socket Style Reducer Pair 2.5in. Quick View
Hedman Hedders

Ball & Socket Style Reducer Pair 2.5in.

$32.99
FBLG_21123
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2-1/2 in Outlet - 3-Bolt Ball and Socket Flange - Steel - Natural - Pair
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3in Collector to 3in Exh Collector Quick View
Hedman Hedders

3in Collector to 3in Exh Collector

$36.99
FBLG_21118
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 3 in OD Outlet - 3-Bolt Flange - Gaskets Included - Steel - Natural - Pair
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Header Reducer - 3.0in x 2.5in Quick View
Hedman Hedders

Header Reducer - 3.0in x 2.5in

$33.99
FBLG_21115
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
Sold out
Header Reducer - 3.0in x 2.25in Quick View
Hedman Hedders

Header Reducer - 3.0in x 2.25in

$33.99
FBLG_21114
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/4 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
-6%
Sold out
Header Reducer Ball/Sock 2.5in x 2.0in Quick View
Hedman Hedders

Header Reducer Ball/Sock 2.5in x 2.0in

$31.99 $29.99
FBLG_21113
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Natural...
Sold out
Header Reducer - 3.0in x 2.5in Quick View
Hedman Hedders

Header Reducer - 3.0in x 2.5in

$45.99
FBLG_21112
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Ball and Socket Flange - Hardware Included - Steel - Aluminized...
Sold out
3in Oxygen Sensor Reducer Quick View
Hedman Hedders

3in Oxygen Sensor Reducer

$29.99
FBLG_21107
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 3 in Inlet to 2-1/4 in OD Outlet - 3-Bolt Flange - O2 Sensor Bung / Gasket - Steel - Natural...
Sold out
Reducers 2-1/2in-2in 3-Bolt Quick View
Hedman Hedders

Reducers 2-1/2in-2in 3-Bolt

$31.99
FBLG_21101
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - 2-1/2 in Inlet to 2 in OD Outlet - 3-Bolt Flange - Hardware Included - Steel - Natural - Pair
-22%
Sold out
2-1/2in Collector 2in Outlet Quick View
Hedman Hedders

2-1/2in Collector 2in Outlet

$26.99 $20.99
FBLG_16020
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - Husler Race - 2-1/2 in Inlet to 2 in Outlet - 3-Bolt Flange - Gaskets - Steel - Natural - Pair
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3.5in. Collector 2.5in. Outlet Quick View
Hedman Hedders

3.5in. Collector 2.5in. Outlet

$25.99
FBLG_16012
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - Husler Race - 3-1/2 in Inlet to 2-1/2 in OD Outlet - 3-Bolt Flange - Gaskets - Steel - Natural -...
Sold out
3in Collector 2-1/4in Outlet Quick View
Hedman Hedders

3in Collector 2-1/4in Outlet

$28.99
FBLG_16010
Best Sellers Exhaust GMC | Chevy Header Reducers Headers, Manifolds and Components
Collector Reducer - Husler Race - 3 in Inlet to 2-1/4 in OD Outlet - 3-Bolt Flange - Gaskets - Steel - Natural -...
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