Kia Sportage Exhaust System: Specs, Fitment & Common Faults
A genuinely honest argument worth knowing if told a blocked DPF is "your driving style": the DPF is ECU-managed, not owner-serviceable, so contamination usually points to a failed associated sensor — plus a critical technical detail about not interrupting an active regen.
Illustration for editorial purposes
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OEM Part Number: confirm via VIN — Rear silencer (aftermarket) Bosal 165-055 / Walker 22970
| Rear silencer (back box) — aftermarket | Bosal 165-055, 169-041, 169-217 (need accessories); Walker 22970 (730 mm, no fitting parts); MTS 01.60576 (730 mm), 01.61273 (880 mm); Vegaz KS-149 (0.86 m), KS-190, MZS-51, KS-132, KS-130 (760 mm), KS-162; Polmo 47.06, 47.71, 10.41, 47.60; Izawit 36.036, 36.011 |
|---|---|
| Centre / intermediate silencer — aftermarket | Vegaz only: KS-126 (900 mm), KS-137IMA (1000 mm), KS-156IMA. |
| Front pipe / catalytic converter (DPF on diesels) — aftermarket | Bosal 090-213 (Euro 5/6, with fitting parts); Vegaz HUK-306QP/HUK-306 (Euro 5/6, 450 mm), HUK-965 (Euro 4), HUK-981 (Euro 4, 431 mm), KK-962 (Euro 6); BM Catalysts BM91956H (Euro 5), BM80482H, BM91380H (Euro 4); JMJ 1091577 (450 mm), 1091620 (400 mm), 1091736, 1091536; No Walker. |
| Genuine (OE) numbers quoted | None quoted in catalogue listings — order genuine parts against your VIN |
| Fitment notes | for a 2018-2022 car check fitment. Petrol, diesel, mild-hybrid diesel, LPG, ethanol at category level. |
A Genuinely Honest, Real Argument Worth Knowing If Told It's "Your Driving Style" — Kia Sportage Exhaust System
This is genuinely worth knowing if a dealer blames a blocked DPF on your driving style and declines warranty cover: the DPF itself is not a component you're expected to service or maintain — it's a fixed part of the exhaust and emissions system, self-managed entirely by the car's ECU. Genuine contamination or blockage is typically the result of a fault with an associated component, such as the differential pressure sensor, the exhaust gas temperature sensor, or the EGR valve itself, preventing the regeneration process from initiating correctly, rather than simply being a consequence of how the car is driven. If you're facing this exact dismissal, it's genuinely worth raising this specific argument directly with Kia, since it shifts the conversation from "your fault" toward "which associated component has actually failed."
It's also genuinely worth knowing to verify directly what emissions equipment your specific car actually has, rather than trusting a blanket claim from a dealer: one documented case saw a dealer incorrectly tell a prospective buyer that a specific diesel variant didn't have a DPF at all and required no special driving considerations, when in fact it had both a DPF and a separate EGR system exactly like other diesel variants. It's worth confirming this directly rather than assuming a salesperson's claim about a specific engine variant is necessarily accurate.
Kia Sportage Exhaust System: The Part That Announces Its Own Problems
On the Kia Sportage, this is one of the few parts where your ears will catch a problem before your eyes do — a new rattle, a drone, noise that simply wasn't there a week ago. That's a genuine advantage, since it gives you an early warning most other faults don't offer.
Kia Sportage Exhaust System: Watch: Replacing It
Leak diagnosis; generation not confirmed
Kia Sportage Exhaust System: What It Does
On the Kia Sportage, burnt gases leave the engine through the exhaust system, which quiets them via the silencer and treats emissions through a catalytic converter and particulate filter before anything exits the tailpipe. Petrol and diesel versions frequently use entirely different systems, since their emissions treatment needs aren't the same.
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Kia Sportage 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 Kia Exhaust System
The same part, covered across other Kia models.