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Reducer, Header, Hooker, 3-1/2" OD to 2.5" OD Pipe

Vehicle Specific fits 23 models
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Part# C980184
You Save $5.96
Low Stock
Only a few left for immediate delivery

Ceramic coated or high temperature black paint

"Super Competition" headers are made of the lightest material possible with the maximum strength, coated with heat-resistant black paint or metallic ceramic thermal barrier coating—your choice! Sold per pair and includes hardware and gaskets. Reducers sold separately.


  • NOTE1: These headers will not fit 4-speeds. NOTE2: These high-performance items are not eligible for any further discounts or promotional pricing.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

Vehicle Fitment

Make & Model Year Range Application Details
Buick Grand National 82 3-1/2 to 2-1/2"
Buick Grand National 84-87 3-1/2 to 2-1/2"
Buick Regal 78-87 3-1/2 to 2-1/2"
Buick Riviera 63-76
Buick Skylark 61-72 3-1/2" red., 2-1/2" pipe
Buick T-Type 83-87 3-1/2 to 2-1/2"
Cadillac Calais 54-64
Cadillac DeVille 54-77
Cadillac Eldorado 53-84
Cadillac Fleetwood 54-80
Cadillac Series 62 54-64
Cadillac Series 65 54-64
Chevrolet Chevelle 64-77 3-1/2" to 2-1/2"
Chevrolet El Camino 64-88 3-1/2" to 2-1/2"
Chevrolet Malibu 78-83 3-1/2" to 2-1/2"
Chevrolet Monte Carlo 70-88 3-1/2" to 2-1/2"
Oldsmobile Cutlass 61-77 3-1/2" to 2-1/2"
Pontiac Bonneville 55-77 3-1/2" to 2-1/2"
Pontiac Catalina 55-77 3-1/2" to 2-1/2"
Pontiac Grand Prix 62-77 3-1/2" to 2-1/2"
Pontiac GTO 61-74 to 2-1/2"
Pontiac LeMans 61-74 to 2-1/2"
Pontiac Tempest 61-74 to 2-1/2"
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Reducer, Header, Hooker, 3-1/2
Hooker Reducer, Header, Hooker, 3-1/2" OD to 2.5" OD Pipe