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AP Exhaust 6579 MSL Series Oval Direct-Fit Aluminized Steel Exhaust Muffler

(1988-1993 Pontiac Grand Prix; 1988-1993 Buick Regal; 1988-1993 Oldsmobile Cutlass Supreme; 1990-1993 Chevrolet Lumina)

Manufacturer

Picture for manufacturer AP Exhaust

Part Number

6579
10 reviews
Sale Price

$45.49

1 left at this price

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Usually delivered within 2 days

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Product Details

The AP Exhaust 6579 is an MSL Series direct-fit replacement exhaust muffler engineered to restore OE-quality sound control and exhaust flow. Built from fully aluminized steel, this oval-body baffled muffler is designed as a precise drop-in replacement, delivering quiet, stock-comparable performance without the need for cutting or fabrication.

Key Features:

  • MSL Series baffled design for maximum sound control and OE-comparable exhaust tone
  • 100% aluminized steel construction for extended corrosion resistance and long service life
  • Direct-fit replacement with welded brackets to reduce installation time and ensure OE fit and appearance
  • Oval muffler body — 15" body length, 10.5" wide, 4.06" tall
  • Overall length: 26.75"
  • Inlet: 1.88" O.D. offset/right-center pipe inlet
  • Outlet: 2.00" O.D. center spout
  • Configuration: Offset inlet / Center outlet (O/C)
  • No heat shield attached
  • Sound level: OE comparable — quiet, stock replacement performance
  • Manufactured in the United States

AP Exhaust Technologies has been producing quality exhaust components since 1927. Their MSL Maximum mufflers are engineered to meet or exceed original equipment specifications, making the 6579 an ideal choice for restoring proper exhaust function with a reliable, long-lasting aluminized replacement muffler.

Products specifications

Fits

1988-1993 Pontiac Grand Prix; 1988-1993 Buick Regal; 1988-1993 Oldsmobile Cutlass Supreme; 1990-1993 Chevrolet Lumina

Series

MSL

Outlet Location

Center

Body Width

10.5

Body Height

4.06

Muffler Configuration

O/C

Muffler Type

Baffled

Inlet Location

Right Center

Inlet Type

Pipe

Body Material

Aluminized steel

Sound Level

OE comparable

Tunable

No

Overall Length

26.75

Inlet Quantity

1

Shape

Oval

Grade Type

Regular

Outlet Outside Diameter

2

Heat Shield Attached

No

Outlet Quantity

1

Outlet Type

Spout

Body Length

15

Inlet Outside Diameter

1.88

Cheap prices reasonable shipping

Thanks

great price and customer service

Great Clutch kit I got, did have to contact customer sevice to see if my item shipped but was very nice about it. I would do business with them again. Item shipped quickly. Great price to.

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Easy to use website, had the best price for the item I was looking for, and quick shipping! What else can you ask for?

great!

quick and easy

good amd nice. pretty cool wen=bsite

Good

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