Exhaust Peugeot 508

The Peugeot 508 exhaust system includes several key components, such as the DPF (Diesel Particulate Filter) located near the engine within the exhaust line, designed to trap and burn soot particles. Additionally, the rear muffler reduces noise, although it may corrode over time, especially when exposed to road salt. The exhaust valve regulates sound and performance but can cause rough sounds in cold conditions if malfunctioning.

Common issues include clogging or sooting up of the DPF due to frequent short trips and low engine speeds, leading to black smoke, power loss, increased fuel consumption, engine stalling, and warning lights. Rust on the exhaust muffler caused by salt exposure and cracks or leaks in pipes can cause exhaust smell inside the cabin. Also, defective exhaust valves cause excessive noise and engine errors.

DPF regeneration can be either passive or forced:

• Passive regeneration : Occurs naturally during long drives at high speeds (around 20 minutes), where the filter heats up enough to burn accumulated soot. It requires steady speed and avoidance of short urban trips.
• Forced regeneration : Performed either by driving at high speeds on highways or using a garage diagnostic tool if passive regeneration fails.

Additionally, additives can be used to lower the soot melting temperature, improving efficiency.

Regular maintenance includes:

• Diagnosing DPF condition professionally and following the vehicle manual for locating and servicing the filter.
• Checking for exhaust pipe cracks or leaks using water and soap on joints.
• Consulting a mechanic for any signs of muffler rust or unusual noises.
• Replacing a worn muffler through trusted service providers.

Preventive care mainly involves regular long trips and early diagnostics to avoid costly repairs.

While performance tuning or exotic exhaust modifications are not offered, maintenance and replacement parts such as high-quality DPFs and catalytic converters made from stainless steel INOX 409 are available. These components meet or exceed regulatory standards and ensure reliable vehicle performance and environmental compliance.

Unusual or loud noises may indicate a malfunctioning exhaust valve or rusted muffler. In diesel variants, this can cause rough cold sounds and engine warning signals. It is advised to have a professional inspection for valve faults and muffler condition, and replace parts as needed to ensure sound quality and system integrity.

Krosfou offers brand-new, top-quality DPFs and catalytic converters designed to fit a wide range of Peugeot 508 models and engine types, including diesel HDi variants. These products are manufactured in Europe, made with stainless steel INOX 409, and certified to meet the highest environmental and performance standards. Compatibility can be confirmed by providing your vehicle's VIN or original reference.

Krosfou provides free standard shipping within the UK on most products, with express delivery options available for faster service. Orders placed before noon and in stock can ship the same day, with rare or out-of-stock items produced and dispatched rapidly. The company offers a three-year warranty covering up to 100,000 km and professional support to ensure a smooth and easy purchase experience.

Customers can contact the service team for advice, compatibility confirmation, and installation guidance to ensure the best fit and function for their Peugeot 508 exhaust system.