Nissan X-Trail Exhaust System: Specs, Fitment & Common Faults
On the X-Trail, if diesel, a genuinely important warning: the DPF light going off after a short drive doesn't mean it's fixed.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 145-125 / Walker 24178
| Rear silencer (back box) — aftermarket | Bosal 145-125, 145-193, 145-289, 145-291; Walker 24178, 23464, 22624 (code 52); Asmet 14.050; MTS 01.60412, 01.60555, 01.68560, 01.60657; Vegaz DS-343, DS-364, DS-237; Polmo 15.18, 15.232; Izawit 33.060. |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 145-001; Ernst 048002; Vegaz FS-376, FS-341, DS-293, DS-150, DS-216; Polmo 15.21, 15.205. |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Walker 28851 (465 mm), 28696 (420 mm), 28299 (295 mm) (all code 91); Ernst 840118 (PPF, Euro 6), 760652 (front, Euro 4); Vegaz RK-368 (Euro 6), DK-961 (front, Euro 4); BM Catalysts BM91827H (Euro 5); JMJ 1091756 (PPF); No Bosal. |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | check cat refs per engine (1.6 dCi, 1.6 DIG-T, 2.0 petrol). |
A Genuinely Important Warning: The Light Going Off Doesn't Mean It's Fixed — Nissan X-Trail Exhaust System
This is genuinely worth understanding if you've seen the amber DPF warning light appear, then go off again after a shorter drive: this doesn't necessarily mean the problem is solved. Clearing the light typically requires sustained driving at speeds above 40mph for at least 20-30 minutes — a shorter drive that clears the light temporarily may only be achieving a partial, incomplete regeneration. If the underlying cause doesn't change, the light will keep returning, and each partial cycle loads a little more unburned soot until eventually even a proper motorway run can't clear the filter.
It's also worth knowing that early diesel models on some platforms don't have the same self-regenerating capability that later generations do — meaning older examples can't necessarily "drive out" a blocking DPF the same way newer cars can.
Nissan X-Trail Exhaust System: The Part That Announces Its Own Problems
On the Nissan X-Trail, this is one part 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.
Nissan X-Trail Exhaust System: Watch: Replacing It
exhaust rattle/repair; no T32 job found
Nissan X-Trail Exhaust System: What It Does
The Nissan X-Trail's exhaust system channels burnt gases away from the engine, reduces noise through the silencer, and treats emissions through a catalytic converter and particulate filter before gases exit the tailpipe. Petrol and diesel versions often use entirely different systems due to different emissions treatment requirements.
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Nissan X-Trail Exhaust System: 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, confirming fitment against your VIN, and which aftermarket brands are worth trusting.
More Nissan Exhaust System
The same part, covered across other Nissan models.