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Darkside Audi S4 / S5 / SQ5 B9 3.0 TDI V6 decat & EGR cooler delete Kit
Darkside Audi S4 / S5 / SQ5 B9 3.0 TDI V6 decat & EGR cooler delete kit for Audi A4 / Avant, Audi A4 / S4 /... Darkside stainless steel, direct fit.
€921.31
(VAT incl.)
€969.80
-5%
?
Estimated restock time
- Order today
- Restock supplier order
- Delivery Fri 13 Nov
Estimated delivery on 13/11/2026
This lead time is an estimate and may change due to circumstances beyond our control
Customization:
Add the requested additional information and save before adding the product to your cart.
This product qualifies for free STANDARD shipping!*
With this product: €921.31
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Why this product?
The EGR valve on this engine clogs and sticks with mileage: carbon buildup, loss of responsiveness, or even a fault code on the dash. A well-documented, common issue on technical forums for this engine.
- Removes problematic EGR Coolers and Valve
- Creates more room in the "V" for easier access to other hardware
- Designed and manufactured in the UK
Precise compatibility
- Audi A4 / Avant: DCPE (231) DCPC (285) DEWB (347)
- Audi A4 / S4 / Avant / quattro: DCPE (231) DCPC (285) DEWB (347)
- Audi A5 / S5 Cabriolet: DCPE (231) DCPC (285) DEWB (347)
- Audi A5 / S5 Coupe Sport: DCPE (231) DCPC (285) DEWB (347)
- Audi A6 / Avant: DDVB (285) DEWA (349)
- Audi A6 / S6 / Avant / quattro: DDVB (285) DEWA (349)
- Audi A7 Sportback / S7: DDVB (285) DEWA (349)
- Audi Q5 / SQ5: DCPE (231) DCPC (285) DEWB (347)
Several engine variants may exist within the same generation: check the exact engine code (registration document or engine plate) before ordering.
Original part numbers replaced
Genuine VAG: CAT (Catalytic Converter):, 8W0254452, 8W0254452X, 4K0254450F
Required before installation
A suitable ECU reprogramming is required to clear fault codes and avoid limp mode, not included in this kit.
| Product family | Engine |
|---|---|
| Engine | EGR and gas recirculation |
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