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Photo of Reducer, Header, Hooker, 3
Illustrative Only

Hooker

Reducer, Header, Hooker, 3" OD to 2.5" OD Pipe

Vehicle Specific View fitment for 21 models
Part# CH21992
Mfg# 11040HKR
Sold As Pair
$71.99
List Price: $79.95
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Smooth flowing

To reduce from a 3" collector to 2-1/2" headpipe. Has a smooth transition for great exhaust flow.

Notes

  • This item is not eligible for any further discounts or promotional pricing.
3
This product is not legal for street use on an emissions-controlled vehicle. It may be used on dedicated competition or pre-pollution-controlled vehicles only. Learn More

Find Item In These Catalogs

  • 2024 Chevelle, El Camino 64-77 397
  • 2024 Cutlass, F-85 & 442 61-77 260
  • 2024 GM G-Body 1978-1988 218
  • 2024 Grand Prix 1962-77 226
  • 2024 GTO, LeMans & Tempest 289
  • 2024 Monte Carlo 70-77 250
  • 2024 Skylark, GS & GSX 61-72 231
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 www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1982 Buick Grand National 3" to 2-1/2"
1984–1987 Buick Grand National 3" to 2-1/2"
1978–1987 Buick Regal 3" to 2-1/2"
1963–1976 Buick Riviera  
1961–1972 Buick Skylark 3" to 2-1/2"
1983–1987 Buick T-Type 3" to 2-1/2"
1959–1977 Cadillac DeVille  
1953–1984 Cadillac Eldorado  
1954–1980 Cadillac Fleetwood  
1954–1964 Cadillac Series 62  
1954–1964 Cadillac Series 65  
1964–1977 Chevrolet Chevelle 3" to 2-1/2"
1964–1987 Chevrolet El Camino 1964–1977: 3" to 2-1/2"
1978–1987: 3" to 2-1/2"
1978–1983 Chevrolet Malibu 3" to 2-1/2"
1997–2022 Chevrolet Malibu  
1970–1988 Chevrolet Monte Carlo 1970–1977: 3" to 2-1/2"
1978–1988: 3" to 2-1/2"
1961–1988 Oldsmobile Cutlass 1961–1977: 3" to 2-1/2"
1978–1988: 3" to 2-1/2"
1958–1977 Pontiac Bonneville 3" to 2-1/2"
1982–1986 Pontiac Bonneville 3" to 2-1/2"
1959–1977 Pontiac Catalina 3" to 2-1/2"
1962–1987 Pontiac Grand Prix 1962–1977: 3" to 2-1/2"
1978–1987: 3" to 2-1/2"
1964–1973 Pontiac GTO 3" Reducer - to 2-1/2"
1961–1974 Pontiac LeMans 1961–1973: 3" Reducer - to 2-1/2"
1961–1970 Pontiac Tempest 3" Reducer - to 2-1/2"
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Reducer, Header, Hooker, 3
Hooker Reducer, Header, Hooker, 3" OD to 2.5" OD Pipe