AP Exhaust- Mufflers & Catalytic Converters | HH Muffler

AP Exhaust

Premium mufflers and emissions components. AP Emissions delivers refined performance sound and quality catalytic converters at competitive prices.

Product Lines

MSL Maximum - Quiet performance mufflers with excellent flow.

Challenge Series - Performance mufflers with moderate sound.

Catalytic Converters - EPA and CARB-certified converters.

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Best AP Exhaust exhaust-pipe for 2010-2009 Kia Optima Front | Direct Fit Replacement | 28947

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Best AP Exhaust exhaust-pipe for 2023-2019 Toyota Corolla Center | Direct Fit Replacement | 58865

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Best AP Exhaust muffler for 2019-2014 Kia Soul Center | Direct Fit Replacement | 2642

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Muffler - Challenge Fits: 2019-2014 Kia Soul Center

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Best AP Exhaust muffler for 2023-2019 Nissan Altima Left | Direct Fit Replacement | 30146

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Exhaust Muffler Assembly Fits: 2023-2019 Nissan Altima Left

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Best AP Exhaust muffler for 2023-2019 Nissan Altima Right | Direct Fit Replacement | 30145

$159.24

Exhaust Muffler Assembly Fits: 2023-2019 Nissan Altima Right

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Best AP Exhaust y-pipe for 2023-2019 Nissan Altima | Direct Fit Replacement | 96655

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Best AP Exhaust resonator for 2023-2019 Nissan Altima | Direct Fit Replacement | 38069

$124.74

Exhaust Resonator Assembly Vehicle Fitment 2023-2019 Nissan Altima 2023-2019 Nissan Altima Center Contact us if...

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Best AP Exhaust catalytic-converter for 2023-2019 Nissan Altima Rear Inlet | Direct Fit Replacement | 8530

$16.36

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Best AP Exhaust Exhaust System for 2023-2019 Nissan Altima Inlet | Direct Fit Replacement | 8528

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Fits: 2023-2019 Nissan Altima Inlet

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Best AP Exhaust exhaust-manifold for 2023-2019 Nissan Altima | Direct Fit Replacement | 8529

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Exhaust Manifold Gasket Fits: 2023-2019 Nissan Altima

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Best AP Exhaust exhaust-pipe for 2019-2014 Kia Soul Front | Direct Fit Replacement | 28934

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Exhaust Pipe Fits: 2019-2014 Kia Soul Front

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Frequently Asked Questions

What is AP Emissions known for?

AP Emissions is known for quality OE-replacement and performance exhaust components, including the MSL Maximum quiet performance mufflers and Challenge series. They also make catalytic converters, pipes, and complete exhaust systems. The brand focuses on quality construction at competitive prices - a solid middle ground between budget and premium options.

Are AP Emissions products OE quality?

Yes, AP Emissions products are designed to meet or exceed OE specifications. Their catalytic converters are EPA and CARB certified where applicable. They use quality materials and proper manufacturing processes. They're a good choice when you need reliable replacement parts without paying OEM dealer prices.

What's the difference between AP Emissions MSL Maximum and Challenge mufflers?

MSL Maximum mufflers are their quietest performance option - excellent flow with near-stock sound levels. Challenge series mufflers offer more sound presence while still being refined and daily-driver friendly. Choose MSL Maximum for stealth performance, Challenge for subtle but noticeable exhaust tone improvement.

Does AP Emissions make catalytic converters?

Yes, AP Emissions has an extensive line of EPA and CARB-certified catalytic converters in both direct-fit and universal configurations. They're a popular choice for replacement converters due to good quality and reasonable pricing. Their converters use proper precious metal loading to maintain emissions compliance.

Is AP Emissions good for daily driver vehicles?

Excellent - AP Emissions focuses on practical performance that works for real-world driving. Their MSL Maximum and Challenge mufflers specifically address drone and harshness that plague some performance mufflers. They're a smart choice if you want improved flow without dramatically changing your vehicle's character.