Mitsubishi L200 Exhaust System: Specs, Fitment & Common Faults

A genuinely alarming, honest account on related models: a DPF replaced by Mitsubishi itself failed the same way two weeks later, traced to technicians accidentally cutting the turbo boost pipe.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Mitsubishi L200 exhaust system part number at the time of writing. Please confirm the correct part via a Mitsubishi dealer or parts specialist using your VIN.

The Part That Announces Its Own Problems

Unlike a lot of the parts on this site, this is one where you'll usually hear the fault before you see it — a rattle, a drone, a sudden increase in noise that wasn't there last week. That's actually useful, since it gives you a head start on catching problems early.

Before you buy: exhaust configuration differs significantly by engine size, fuel type and whether your car has a particulate filter. Always confirm against your VIN before ordering.

What It Does

The exhaust system channels burnt gases away from the engine, reduces noise through the silencer, and on most modern cars, treats emissions through a catalytic converter and particulate filter before gases exit the tailpipe. Petrol and diesel versions of the same model often use entirely different systems due to different emissions treatment requirements.

Fitment & Compatibility

Exhaust systems differ substantially between the petrol, hybrid and plug-in hybrid versions of the L200, since the hybrid versions integrate differently with the electric motor's contribution to deceleration. Always confirm the exact part fitted to your specific engine and powertrain combination before ordering. Whether you're sourcing a replacement exhaust system for your Mitsubishi L200 from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying.

Common Faults

Symptoms of Failure

Rattling noise, especially on startup — often a loose or corroded heat shield rather than the exhaust pipe itself, though worth checking both.
Noticeably louder engine noise — points to a hole or split somewhere in the pipe or silencer, typically caused by corrosion.
Visible rust or flaking on the underside — a warning sign of corrosion that will eventually lead to a leak if left unaddressed.
Failed emissions test — can point to a failing catalytic converter or particulate filter rather than the pipework itself.

DIY Replacement Difficulty

Replacing a full exhaust system is a moderate-to-difficult DIY job requiring access to raise the car safely and often penetrating oil to free corroded fixings. Catalytic converter and particulate filter replacement usually requires specific diagnostic equipment afterward to reset fault codes, making that portion of the job better suited to a garage. Expect 2–4 hours for a full system on a home ramp, or less at a garage with the right lift access.

A Genuinely Alarming, Honest Real Account Worth Knowing

If a DPF fault returns shortly after a replacement, this is genuinely worth knowing before assuming the new part is simply faulty: one documented case on a related Mitsubishi diesel saw the DPF replaced directly by Mitsubishi, only for the exact same warning and limp mode issue to return just two weeks later. It later emerged that technicians had accidentally cut the turbo boost pipe during the original replacement work, with the owner reasonably suspecting this damage, rather than a genuinely faulty replacement part, was the actual cause. It's worth asking directly whether any other components were disturbed during a DPF replacement if the same fault returns shortly afterward.

A genuinely useful, money-saving technical clarification worth knowing: full DPF replacement has been documented as rarely actually necessary on Mitsubishi's diesel engines — simply removing the filter and cleaning it thoroughly with a jet wash is often enough to clear excess soot, since it's fundamentally just a metal filter. It's worth asking whether a proper clean has been tried before agreeing to a full replacement.

It's also genuinely worth knowing two useful diagnostic points: an EGR valve sticking open can cause excessive soot accumulation that then gets misdiagnosed as a DPF fault specifically. And it's worth keeping an eye on the DPF additive fluid level, since running low or completely out can trigger warning lights that look identical to a genuine filter fault.

OEM vs. Aftermarket

Reputable aftermarket exhaust systems are widely regarded as a safe, cost-effective alternative to OEM parts for the pipework and silencer sections. Catalytic converters and particulate filters are worth sourcing from well-regarded brands specifically, since counterfeit or substandard versions are a common cause of failed emissions tests and check-engine warnings.

More Mitsubishi Exhaust System Guides

The same part, covered across other Mitsubishi models.