Peugeot 407 Exhaust System Replacement Parts

The 407 was produced from 2004 to 2011, and the key fitment boundary to watch is the introduction of the diesel particulate filter (DPF) on the 2.0 HDi and 2.7 HDi diesels, which arrived progressively from around 2005–2006 onwards as emissions rules tightened toward Euro 4 and Euro 5. A pre-DPF exhaust system will not correctly replace a DPF-equipped one, and fitting the wrong system could cause an MOT failure. Always confirm with the breaker whether the donor car carried a DPF, matching it against your registration to be sure.

No — the 2.0 HDi and 2.2 HDi are different engines with different exhaust system dimensions and mounting configurations, so they do not share the same system. When asking a breaker for a quote, give them your exact engine code (found on your V5C or stamped on the engine block) rather than just the displacement, as sub-variants of these engines can differ too. This is the single most reliable way to make sure the part pulled matches your car.

Trim level does not affect exhaust fitment on the 407 — the exhaust system is determined by engine code and emissions specification, not whether the car is an S, SE, Executive, or Sport trim. You may find minor cosmetic differences such as tailpipe finishers or the presence of a chrome trim piece depending on what the donor car had, but the functional pipework and catalytic components are trim-independent. Focus your conversation with the breaker on engine code and whether the car has a DPF, not the trim name.

No — petrol and diesel exhaust systems on the 407 are entirely different in design, routing, and emissions hardware, and they are not interchangeable. The 1.8 and 2.0 petrol engines carry catalytic converters calibrated for petrol combustion, while HDi diesels have different catalyst and DPF arrangements entirely. Always tell the breaker your fuel type alongside the engine code.

The 2006-to-2009 period spans the point at which DPF fitment became more widespread on 407 HDi models, so a system from a 2009 car may or may not be a straight swap depending on whether one or both cars have a DPF fitted. Name that boundary clearly when you contact a breaker and ask them to check the donor vehicle's specification against your registration. Whether the catalytic converter or DPF elements interchange correctly across that emissions boundary is something the breaker needs to confirm — do not assume a visually similar system from that era will pass MOT on your car.

The 407 was offered as a saloon, estate (SW), and Coupe, and while they share platform and engine families, the Coupe has a distinct body and different rear end packaging which means its exhaust tailpipe section and rear silencer are unlikely to match the saloon or SW directly. Front pipe and mid-section compatibility will depend on engine code and emissions spec as always, but you should tell the breaker specifically which body style you have. Confirm the full system compatibility with the breaker rather than assuming shared engine codes mean shared exhausts across body styles.