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.
Related Collections
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Best AP Exhaust catalytic-converter for 2023-2021 Ford F-150 Left | Direct Fit | EPA/CARB Compliant | 645131
$1,258.08
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2024-2020 Isuzu NPR-HD Left | Direct Fit | EPA/CARB Compliant | 645128
$2,999.44
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2024-2020 Isuzu NPR-HD Right | Direct Fit | EPA/CARB Compliant | 645129
$2,999.44
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2018-2011 Freightliner MT55 Right | Direct Fit | EPA/CARB Compliant | 645134
$2,623.98
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2018-2011 Freightliner MT55 Left | Direct Fit | EPA/CARB Compliant | 645133
$2,623.98
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
Best AP Exhaust catalytic-converter for 2022-2015 Chevrolet Colorado Front | Direct Fit | EPA/CARB Compliant | 644252
$932.82
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2023-2018 Volkswagen Atlas | Direct Fit | EPA/CARB Compliant | 644251
$2,091.24
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2013-2010 Mazda 3 Front | Direct Fit | EPA/CARB Compliant | 641617
$1,508.54
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2022-2017 Chevrolet Colorado Right | Direct Fit | EPA/CARB Compliant | 641644
$1,356.66
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2011 Workhorse W62 Right | Direct Fit | EPA/CARB Compliant | 645135
$2,536.48
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2011 Workhorse W62 Left | Direct Fit | EPA/CARB Compliant | 645136
$2,536.48
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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Best AP Exhaust catalytic-converter for 2021-2018 Ford Expedition Front Lef | Direct Fit | EPA/CARB Compliant | 645137
$929.22
ARISTO's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency...
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.
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