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Part fits the following years:1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977


1964-77 Chevelle Header Reducers, Competition 3" To 2-1/2"

Part# CH21992


Mfg# 11040HKR

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SAVE: 10% Retail: $49.95

OPGI Price: $44.99

Part Type: (P) High Performance, designed to improve performance
Years: Sold As: PAIR
2017 Chevelle Catalog Page: 474
2018 Chevelle Catalog Page: 559


  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

Has a smooth transition for great exhaust flow.

Make & ModelYear RangeApplication Details
Buick Grand National1978-1988 3" To 2-1/2"
Buick Regal1978-1988 3" To 2-1/2"
Buick Riviera1963-1976
Buick Skylark1961-1972 3" To 2-1/2"
Buick T-Type1978-1988 3" To 2-1/2"
Chevrolet Chevelle1964-1977 3" To 2-1/2"
Chevrolet El Camino1964-1977 3" To 2-1/2"
Chevrolet El Camino1978-1988 3" To 2-1/2"
Chevrolet Malibu1978-1988 3" To 2-1/2"
Chevrolet Monte Carlo1970-1977 (3" To 2-1/2")
Chevrolet Monte Carlo1978-1988 3" To 2-1/2"
Oldsmobile Cutlass/4421961-1977 3" To 2-1/2"
Pontiac Bonneville1959-1977 3" To 2-1/2"
Pontiac Catalina1959-1977 3" To 2-1/2"
Pontiac Grand Prix1959-1977 3" To 2-1/2"
Pontiac GTO1961-1973 To 2-1/2"
Pontiac LeMans1961-1973 To 2-1/2"
Pontiac Tempest1961-1973 To 2-1/2"
California Prop 65 Icon 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.
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