Mufflers – Challenger mufflers are Limited Lifetime – all other mufflers are 90 days.Catalytic Converters – EPA requires 25,000 miles.The Warranty period begins on the date the product is delivered. AP Exhaust Technologies products are covered by a Limited Warranty, during which its products are warranted to be free from defects in material or workmanship. For instance, its revolutionary design of the Single Cartridge Internal Muffler helps significantly boost engine performance. Since the company's earliest days in 1927, it has been improving and updating its products which resulted in numerous patented designs. AP offers a large collection of replacement and performance products for automotive, light truck, heavy-duty as well as agricultural, industrial, and forestry applications. AP has built a reputation for strict adherence to exact production procedures and quality specifications.ĪP Exhaust Technologies® is a trustworthy manufacturer of high-grade exhaust and emission products. Every effort is made to assure total quality throughout the AP engineering, product development, testing, and manufacturing operations. AP designs and manufactures catalytic converters for automotive, heavy-duty, off-road vehicles and industrial applications.ĪP constantly strives to go beyond the customer’s expectations with regard to quality engineering of all products. Everywhere engines are used AP catalysts and catalytic converter systems are making them energy efficient and environmentally friendly.

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