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    Muffler, Super 40-Series 2-1/2" I/O Fits 1961-73 LeMans+ 20 other models

    Retail Price $115.95 You Save $10.96
    OPGI Price$104.99
    Part# CH26453
    Mfg# 952548
    Arriving Soon
    Please Call 1‑800‑243‑8355

    Available in three different size inlets and outlets.

    For the most aggressive, deep sounding muffler available in the Flowmaster line, the “Super 40 Series” muffler is the one. This two-chamber muffler has that classic deep tone with performance to match. It comes in 2-1/4", 2-1/2" and 3" diameter offset inlet and outlet to fit all A-Body applications. These mufflers have a case dimension of 5" tall with a 10" width. Get that muscle car sound with these Flowmaster Super 40 Series mufflers.

    • I = inlet, 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 LeMans Catalog page 454.
    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 2-1/2" I/O
    Buick Regal1978-1987 2-1/2" I/O
    Buick Riviera1963-1976 2-1/2" I/O
    Buick Skylark1961-1972 2-1/2" I/O
    Buick T-Type1978-1987 2-1/2" I/O
    Cadillac DeVille1954-1976 2-1/2" I/O 40-Series
    Cadillac Eldorado1954-1976 2-1/2" I/O 40-Series
    Cadillac Fleetwood1954-1976 2-1/2" I/O 40-Series
    Cadillac Series 62/65/Calais1954-1976 2-1/2" I/O 40-Series
    Chevrolet Chevelle1964-1977 2-1/2" I/O
    Chevrolet Corvair1960-1969 2-1/2" I/O
    Chevrolet El Camino1964-1977 2-1/2" I/O
    Chevrolet El Camino1978-1988 2-1/2" I/O
    Chevrolet Malibu1978-1988 2-1/2" I/O
    Chevrolet Monte Carlo1970-1977 2-1/2" I/O
    Chevrolet Monte Carlo1978-1988 2-1/2" I/O
    Oldsmobile Cutlass/4421961-1977 2-1/2" I/O
    Pontiac Bonneville1959-1977 2-1/2" I/O
    Pontiac Catalina1959-1977 2-1/2" I/O
    Pontiac Grand Prix1959-1977 2-1/2" I/O
    Pontiac GTO1961-1973 2-1/2" I/O
    Pontiac LeMans1961-1973 2-1/2" I/O
    Pontiac Tempest1961-1973 2-1/2" I/O

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