BUILT RIGHT
DONE RIGHT
FIRST TO MARKET
WE ARE THE INDUSTRY LEADERS IN EMISSIONS & EXHAUST AFTERMARKET.
DISCOVER WHO WE ARE
About AP Emissions
CUSTOMER FOCUSED
Since 1927
AP Emissions Technologies has been serving customers in the light and commercial vehicle aftermarkets for decades. As a manufacturer of emissions and exhaust technologies, our focus is ensuring you have the products you need when and where you need them. Our products are designed and manufactured to meet or exceed clean air regulations.
We have a passion for innovation enabling us to stay at the forefront of emissions and exhaust products. AP has been a leader in original designs that continue to change the industry.

PUTTING OUR FOCUS ON YOU
A company that values our partnerships with our customers. We seek to understand our customer’s challenges and develop solutions because when our customers are successful, so is AP Emissions Technologies.
CUSTOMER DRIVEN

INNOVATIVE

PROVEN RELIABLE

CUSTOMER DRIVEN

INNOVATIVE

PROVEN RELIABLE
PRODUCT RELEASE
EPA OBDII Direct Fit Converter #641542
EPA OBDII Direct Fit Converter #644105
EPA OBDII Direct Fit Converter #643148
EPA OBDII Direct Fit Converter #644150
PRESS RELEASE
Complete Combustion Calls For Strong Spark
Without a strong spark, the vehicle’s combustion system and emissions system will be inefficient and probably damaged.
Fuel Trim Diagnostics – What To Look For In Rich or Lean Conditions
An air fuel ratio of 14.7:1 is ideal for most gasoline engines when operating in normal closed loop conditions.
What Causes A P0420 Code?
The EPA says 7 percent of cars in the U.S. exceed federally mandated emissions standards.
OUR CAPABILITIES
PRODUCT DEVELOPMENT
Our capabilities in exhaust and emission product development, and production are extensive. AP through the years has been a leader in original designs that has changed the industry.
MANUFACTURING
Innovation is not limited to just product design. Just as important is the manufacturing process used to make our parts, and at AP we strive to achieve maximum efficiencies in all our production processes. Our facilities employ advanced automation, robotics and computer-controlled monitoring and statistical process controls as part of our quality management system.
MARKETS WE SERVE
AP Emissions Technologies is your source for aftermarket exhaust and emissions parts for virtually every type of on-road and off-road passenger vehicle, fleet and truck application. We also provide cost-effective, regulatory-compliant custom catalyst technologies solutions.
AUTOMOTIVE AND LIGHT DUTY TRUCKS
PERFORMANCE
MEDIUM AND HEAVY-DUTY COMMERCIAL VEHICLES
CATALYST TECHNOLOGIES