Jaguar XE Exhaust System: Specs, Fitment & Common Faults
A genuinely alarming, honest account: a technician simply reset a fault code rather than diagnosing it properly, and the same issue returned over a year later, once out of warranty, having also damaged the catalytic converter by then.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 148-193 / Walker 22693
| Rear silencer (back box) — aftermarket | Bosal 148-193 (needs accessories); Walker 22693 (820 mm), 23164 (720 mm), 17166 (610 mm), 21993 (820 mm); MTS 01.95530 (740 mm), 01.60802 (1120 mm), 01.60499 (670 mm), 01.60657 (860 mm), 01.65280 (800 mm), 01.95480 (860 mm); Vegaz JS-33, JS-38, JS-43, JS-42, JS-37, OS-337; Izawit 21.047 |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 233-577, 105-109; Walker 09738 (universal), 28832 (930 mm); Ernst 177092 (800 mm); MTS 01.51350 (1050 mm), 01.50577 (890 mm), 01.59790 (880 mm); Vegaz VS-111, VS-244AT, VS-156; Polmo 30.233, 01.104; Izawit 15.033, 16.009, 18.022, 07.072, 23.034 |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | no Bosal/Walker. BM Catalysts BM80174H, BM91480H, BM91219H, BM90529H (Euro 4, FK numbers, non-approved); JMJ 1080081, 1091544, 1090024 (old engine codes); Quinton Hazell QCAT90848H/90902H; Vegaz JK-819/JK-820; Ridex 429C0006 (Euro 6). |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | Rear/middle lists are mostly shared with E-Pace/F-Pace/XF (JLR set); not tied to engines. |
Jaguar XE Exhaust System: The Part That Announces Its Own Problems
On the Jaguar XE, most faults are things you'd spot visually first, but this one usually announces itself acoustically — a rattle, a drone, a noticeable jump in noise levels. That's actually helpful, since it means you'll likely notice trouble well before it gets serious.
Jaguar XE Exhaust System: What It Does
Three jobs happen inside the Jaguar XE's exhaust system: routing burnt gases away from the engine, quieting them through the silencer, and treating emissions via a catalytic converter and particulate filter. Petrol and diesel variants often need completely different systems to meet their respective emissions requirements.
Jaguar XE Exhaust System: Watch: Replacing It
Exhaust damper replacement
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A Genuinely Alarming, Honest Real Account Worth Knowing — Jaguar XE Exhaust System
If a warning related to the AdBlue emissions system has appeared and been quickly reset, this is genuinely worth knowing: one documented case saw a technician simply reset the SCR monitor to clear a diesel exhaust fluid error message, rather than fully diagnosing the underlying cause, and the error appeared to be resolved. Over a year later, once the warranty had expired, the same warning returned, and a full diagnostic this time found a genuinely failed NOx sensor that had, in the intervening period, also damaged the catalytic converter, requiring an expensive replacement of both components together. It's genuinely worth knowing that simply clearing a fault code without a full diagnosis can allow an underlying problem to continue causing damage, worth insisting on a proper diagnostic rather than a quick reset if this kind of warning appears, even if it seems to resolve the immediate symptom.
It's also genuinely worth knowing that a dealer describing a DPF or EGR fault as simply "not worth fixing" and suggesting trading the car in is worth challenging directly — worth asking specifically why the repair is considered uneconomical rather than accepting this assessment without a detailed explanation, since a DPF and EGR replacement, while genuinely expensive, isn't typically considered terminal for the car as a whole.
Jaguar XE 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 Jaguar Exhaust System
The same part, covered across other Jaguar models.