Lexus NX Exhaust System: Specs, Fitment & Common Faults
A genuinely reassuring finding: documented owner discussion suggests this model hasn't been a particularly common catalytic converter theft target, unlike certain other Lexus models officially named by the manufacturer.
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 | Walker 22693 (820 mm, code 52); Walker 21993 (820 mm, code 62); Bosal 148-193 (accessories needed); Vegaz PGS-129, OS-337 (720 mm), FTS-345; MTS 01.95530, 01.92170 (900 mm), 01.69030; Asmet 16.085 (sport pipe) |
|---|---|
| Centre / intermediate silencer — aftermarket | Bosal 105-109, 233-577 (accessories needed); Ernst 177092 (800 mm), 153003 (810 mm); Walker 28832, 21575, 09738; Vegaz TS-320, VS-111, VS-156; MTS 01.59790 (880 mm), 01.50577 |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Vegaz TK-320, TK-336 (Euro 6), AK-833; Oyodo 10N0193-OYO; NAP CAK10404 (1G-FE); Ridex 429C0042 (Euro 5); Walker 69002/69003 universal |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | engines 200, 200t, 300 petrol and 300h hybrid (incl. AWD); not engine-specific. |
Lexus NX Exhaust System: The Part That Announces Its Own Problems
On the Lexus NX, sound is usually the first clue here, ahead of any visual sign — a rattle, a drone, noise that's crept in gradually or arrived overnight. It's one of the more forgiving faults in that sense, since your ears will likely flag it before it becomes a bigger problem.
Lexus NX Exhaust System: What It Does
The Lexus NX's exhaust system handles three things at once: clearing burnt gases from the engine, cutting noise via the silencer, and treating emissions through a catalytic converter and particulate filter. Because petrol and diesel emissions requirements differ, it often uses genuinely different exhaust systems depending on engine type.
Lexus NX Exhaust System: Watch: Replacing It
RAV4 shares NX platform; RAV4 generation not confirmed, weak
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A Genuinely Reassuring, Real Finding Worth Knowing — Lexus NX Exhaust System
If you're concerned about catalytic converter theft, this is genuinely reassuring to know: documented forum discussion among owners suggests this specific model hasn't been a particularly common target for this crime, in contrast to certain other models in the Lexus range that Lexus itself has officially named as particular targets. It's still worth being sensibly cautious, but this specific model doesn't appear to carry the same elevated risk.
It's also genuinely worth knowing that if a catalytic converter theft does occur, the way thieves typically cut it free frequently damages the surrounding rear pipe and downpipe too, meaning a genuine insurance claim often needs to cover replacement of most of the exhaust system rather than just the converter itself.
Lexus NX 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 Lexus Exhaust System
The same part, covered across other Lexus models.