The exhaust pipe carries hot combustion gases rearward from the catalytic converter or silencer box, maintaining a sealed and thermally managed flow path that keeps harmful emissions inside the system until they exit safely behind the vehicle. Pipes are manufactured from mild steel, aluminised steel, or stainless depending on the application, with flanged joints and flexible sections to accommodate engine movement and chassis flex. Corrosion from road salt and condensate is the predominant failure mechanism — mild steel pipes on older vehicles typically show through-rust after seven to ten years of winter driving, first as pitting at the low-point bends where water collects, eventually as splits or holes that allow exhaust gas to leak into the cabin or engine bay. A leaking exhaust pipe produces a distinctive ticking or blowing noise under acceleration, and the smell of exhaust fumes reaching the passenger compartment is an urgent safety concern. Dimensional accuracy is non-negotiable: the OE reference ensures the correct pipe diameter, bend geometry, flange spacing, and hanger positions for your specific model — even small deviations cause fitment issues at the joining flanges. Klarius and VEGAZ GmbH are among the leading aftermarket exhaust specialists covering European passenger vehicles in this catalogue, with Faurecia holding extensive OEM supply positions across French and German brands.
Exhaust pipe OE references are specific to the chassis, engine variant, and production year range — a model facelift often changes the routing. Use your make-model-year-engine filter to narrow the catalogue, and check the OE number against the original part. Pay attention to whether the pipe is a front section, centre section, or tailpipe, as these are catalogued separately. Klarius and VEGAZ GmbH list their parts with position codes that correspond to OE references, making cross-referencing straightforward.
OEM pipes from suppliers such as Faurecia are produced to the vehicle manufacturer's original bend geometry and material specification. Aftermarket pipes from established brands like Klarius or GT Exhausts are equivalent in shape and flange dimensions but may use a different steel grade — aluminised steel is common and provides adequate corrosion resistance for most climates, while stainless steel costs more but lasts significantly longer on vehicles regularly exposed to road salt. The key is to choose a pipe that carries the correct OE reference, which guarantees fitment even if the material specification differs.
Repair paste and bandage wraps can temporarily seal minor pinholes or hairline cracks as a short-term measure to pass an inspection or make a vehicle safe to drive to a workshop. However, these repairs are not durable — thermal cycling and vibration cause them to fail within weeks or months. Once an exhaust pipe has rusted through at one point, the surrounding metal is almost always compromised, and a replacement pipe is the only lasting solution. Patching a severely corroded pipe also risks it failing at a second point shortly afterwards.
The most identifiable symptom is a loud ticking, hissing, or blowing sound that appears under acceleration and becomes more prominent as the exhaust system warms up. If the leak is near the engine, it may sound like a valve train noise. A smell of exhaust fumes inside the cabin — particularly noticeable with the ventilation fan running — is a serious safety concern requiring immediate attention. Visually, heavy soot deposits around pipe joints or flanges confirm a leak point, and a rusted section may show visible perforation when inspected from underneath.
Showing 100 of 4,571 Exhaust Pipe OE numbers. Enter the OE on the main OE search to jump to any reference.
