AP Exhaust MSL Maximum Mufflers

4.27 out of 5 stars 129 Customer Reviews

Looking for a quiet muffler that performs like a stock replacement--without breaking the bank? AP Exhaust MSL Maximum mufflers are designed for maximum sound contro

Looking for a quiet muffler that performs like a stock replacement--without breaking the bank? AP Exhaust MSL Maximum mufflers are designed for maximum sound control and reduced back pressure. These mufflers are aluminized for extended life and durability, and are available in a variety of sizes to meet your exhaust needs.

Features and benefits include:

* Direct-fit and universal styles available
* Engineered to perform like original equipment
* 100 percent aluminized components for extended life
* Extensive use of patented single cartridge muffler design
* Full-sized OE cross-sections, quality construction

Showing In Stock Items. Show All 68 Items.

Results 1 - 25 of 56

AP Exhaust MSL Maximum Steel 3 Inch Muffler 700222

AP Exhaust MSL Maximum Steel 3 Inch Muffler 700222

Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Chevrolet, GMC, Each

Part Number: APH-700222

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2 Inch Muffler 6555

Muffler, MSL, Steel, Aluminized, Chevy, Pontiac, V8, Each

Part Number: APH-6555

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 6595

Muffler, MSL, Chevy, Dodge, GMC, Plymouth, Each

Part Number: APH-6595

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

AP Exhaust MSL Maximum Steel 3 Inch Muffler 6576

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-6576

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700087

Muffler, MSL, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: APH-700087

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700293

Mufflers, MSL Maximum, Round Case, Steel, Aluminized, 28.500 in. Overall Length, Front Muffler, Buick, Chevy, Pontiac, V6, Each

Part Number: APH-700293

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700484

Muffler, MSL, Round, Baffled, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, 26.00 in. Overall Length, Each

Part Number: APH-700484

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700020

Muffler, MSL, Chevy, Dodge, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-700020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 6590

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-6590

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

AP Exhaust MSL Maximum Steel 3 Inch Muffler 700141

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700141

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust MSL Maximum Steel 1.72 Inch Muffler 6672

Muffler, MSL, Chevy, Isuzu, Toyota, Each

Part Number: APH-6672

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Universal SoundFX Steel 1.75 Inch Muffler 17816

5 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700052

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700052

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700109

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700109

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Direct-Fit SoundFX Steel 2.5 Inch Muffler 18406

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700054

Muffler, MSL, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: APH-700054

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2.75 Inch Muffler 700150

Muffler, MSL, Chevy, GMC, Oldsmobile, Each

Part Number: APH-700150

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2 Inch Muffler 700090

Muffler, MSL, Chevy, Each

Part Number: APH-700090

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Direct-Fit SoundFX Steel 2 Inch Muffler 18414

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700104

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700104

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

AP Exhaust MSL Maximum Steel 3 Inch Muffler 700126

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700126

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

AP Exhaust MSL Maximum Steel 3 Inch Muffler 700144

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700144

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Direct-Fit SoundFX Steel 3 Inch Muffler 18223

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 6584

Muffler, MSL, Chevy, Pontiac, Each

Part Number: APH-6584

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2.5 Inch Muffler 700065

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700065

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2 Inch Muffler 6540

Muffler, MSL, Steel, Aluminized, Buick, Chevy, GMC, Oldsmobile, Pontiac, V6, V8, Each

Part Number: APH-6540

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

AP Exhaust MSL Maximum Steel 2 Inch Muffler 6560

Muffler, MSL, Steel, Aluminized, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, L4, V6, Each

Part Number: APH-6560

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

AP Exhaust MSL Maximum Steel 2.75 Inch Muffler 700142

Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700142

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Direct-Fit SoundFX Steel 2.75 Inch Muffler 18216

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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AP Exhaust MSL Maximum Steel 2 Inch Muffler 6564

Muffler, MSL, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: APH-6564

Not Yet Reviewed

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

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