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Part fits the following years1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977


    Muffler, Delta Flow 50 Series (3 Chamber) 2-1/4" I/O Fits 1961-77 Cutlass/442+ 22 other models

    Retail Price $131.95 You Save $11.96
    OPGI Price$119.99
    Part# CH26456
    Mfg# 942453
    Low Stock
    Only a few left available for immediate delivery

    More performance with a powerful sound.

    Gain 10 to 15 horsepower to the rear wheels by adding these high-performance mufflers. Manufactured in the USA using the highest quality materials and the latest technology—the standard in high-performance exhaust. The “Delta Flow” mufflers have a milder tone that generates a powerful sound outside the vehicle with a lower interior resonance, while improving torque and horsepower. These extreme high-flow mufflers will give your vehicle that powerful muscle car sound that you are looking for.

    • I= inlet and O= outlet.
    • These high-performance items are not eligible for any further discounts or promotional pricing.
    • High Performance, designed to improve performance.
    • Find in OPGI's 2018 Cutlass/442 Catalog page 397.
    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.

    Vehicle Fitment

    Make & ModelYear RangeApplication Details
    Buick Grand National1978-1987 2-1/4" I/O
    Buick Regal1978-1987 2-1/4" I/O
    Buick Riviera1963-1976 2-1/4" I/O (3 Chamber)
    Buick Skylark1961-1972 2-1/4" I/O
    Buick T-Type1978-1987 2-1/4" I/O
    Cadillac 60 Special1938-1993 2-1/4" I/O
    Cadillac DeVille1938-1993 2-1/4" I/O
    Cadillac Eldorado1938-1993 2-1/4" I/O
    Cadillac Fleetwood1938-1993 2-1/4" I/O
    Cadillac Series 60/61/631938-1993 2-1/4" I/O
    Cadillac Series 62/65/Calais1938-1993 2-1/4" I/O
    Cadillac Series 67/70/72/751938-1993 2-1/4" I/O
    Chevrolet Chevelle1964-1977 2-1/4" I/O
    Chevrolet El Camino1964-1977 2-1/4" I/O
    Chevrolet El Camino1978-1988 2-1/4" I/O
    Chevrolet Malibu1978-1988 2-1/4" I/O
    Chevrolet Monte Carlo1970-1977 2-1/4" I/O
    Chevrolet Monte Carlo1978-1988 2-1/4" I/O
    Oldsmobile Cutlass/4421961-1977 2-1/4" I/O
    Pontiac Bonneville1959-1977 2-1/4" I/O
    Pontiac Catalina1959-1977 2-1/4" I/O
    Pontiac Grand Prix1959-1977 2-1/4" I/O
    Pontiac GTO1961-1973 2-1/4" I/O
    Pontiac LeMans1961-1973 2-1/4" I/O
    Pontiac Tempest1961-1973 2-1/4" I/O

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