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Selecting your vehicle's model and year allows us to display only parts and items specific to your car's model and year.

Part fits the following years:1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988

FLOWMASTER

1978-88 El Camino Muffler, High-Performance 50 Series (3 Chamber) 2-1/2" I/O

Part# 42553HP

Mfg# 942553

2 Reviews

SAVE: $11.96 Retail: ~~$131.95~~

OPGI Price: $119.99

Part Type: (P) High Performance, designed to improve performance
Years: 1978-88 Sold As: EACH
2017 Late El Camino Catalog Page: 276
2018 Late El Camino Catalog Page: 287

More performance with a powerful sound

NOTES
NOTE¹: I = inlet, O = outlet.
NOTE²: These high-performance items are not eligible for any further discounts or promotional pricing.

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.

Search Keywords

flowmaster muffler muffler high-performance 50 series 3 chamber 2-1/2" i/o mufflers exhaust flowmaster mufflers resonators

Make & Model	Year Range	Application Details
Chevrolet Chevelle	1964-1977	2-1/2" I/O
Chevrolet Malibu	1978-1988	2-1/2" I/O
Chevrolet El Camino	1964-1977	2-1/2" I/O
Chevrolet El Camino	1978-1988	2-1/2" I/O
Chevrolet Monte Carlo	1970-1977	2-1/2" I/O
Chevrolet Monte Carlo	1978-1988	2-1/2" I/O
Chevrolet Corvair	1960-1969	2-1/2" I/O
Cadillac	1938-1993	2-1/2" I/O
Pontiac GTO	1961-1973	2-1/2" I/O
Pontiac LeMans	1961-1973	2-1/2" I/O
Pontiac Tempest	1961-1973	2-1/2" I/O
Pontiac Grand Prix	1959-1977	2-1/2" I/O
Pontiac Catalina	1959-1977	2-1/2" I/O
Pontiac Bonneville	1959-1977	2-1/2" I/O
Olds Cutlass/442	1961-1977	2-1/2" I/O
Buick Skylark	1961-1972	2-1/2" I/O
Buick Riviera	1963-1976	2-1/2" I/O (3 Chamber)
Buick Regal	1978-1987	2-1/2" I/O
Buick T-Type	1978-1987	2-1/2" I/O
Buick Grand National	1978-1987	2-1/2" I/O