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: genuinely worth knowing: aftermarket "sports" or performance exhaust systems for the L200 can affect MOT compliance if they remove or bypass the catalytic converter, DPF, or other emissions equipment — confirm any aftermarket system is emissions-legal for road use before fitting, since a louder exhaust alone isn't automatically an MOT failure but removed emissions equipment usually is.

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.

Mitsubishi L200 Exhaust System reference plate

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.

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.

Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Exhaust System Guide for warning signs and fault codes to watch for, how difficult this job is to DIY, and which aftermarket brands are worth trusting.

More Mitsubishi Exhaust System

The same part, covered across other Mitsubishi models.