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 catalytic-converter for 2010-2008 Ford F-250 Super Duty | Direct Fit | EPA/CARB Compliant | 645274

$2,130.38

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 2012-2009 Ford Escape | Direct Fit | EPA/CARB Compliant | 645273

$872.42

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 2013-2008 Toyota Highlander Rear | Direct Fit | EPA/CARB Compliant | 645270

$563.64

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 2009-2007 Jeep Wrangler | Direct Fit | EPA/CARB Compliant | 645269

$2,783.64

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 2010-2005 Jeep Grand Cherokee | Direct Fit | EPA/CARB Compliant | 645268

$1,389.10

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 1997-1995 Toyota Land Cruiser Front | Direct Fit | EPA/CARB Compliant | 645267

$989.34

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 2004-2003 Toyota Tundra Right | Direct Fit | EPA/CARB Compliant | 645266

$945.12

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 | Direct Fit | EPA/CARB Compliant | 645265

$1,744.06

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 1999-1997 Ford E-150 Econoline Left | Direct Fit | EPA/CARB Compliant | 645261

$1,178.22

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 2002-1999 Ford E-250 Econoline Left | Direct Fit | EPA/CARB Compliant | 645260

$943.86

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 2002-1999 Ford E-250 Econoline Righ | Direct Fit | EPA/CARB Compliant | 645259

$1,388.72

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 2004-2003 Toyota Tundra Left | Direct Fit | EPA/CARB Compliant | 645257

$1,113.06

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.