Milltek HJS Tuning ECE Downpipes for Hyundai/Kia i30 N 2.0 T-GDi (250PS - Non-OPF models only) (2017-2018) – Improved Flow, Sports Catalyst
This is Milltek's HJS Tuning ECE downpipe set for the Hyundai/Kia i30 N Performance 2.0 T-GDi (275PS - Non-OPF models only). These replace the factory downpipes with HJS high-flow sports catalysts that carry full ECE type-approval, so you get a genuine flow improvement over the restrictive factory units without taking the car outside emissions compliance.
They're aimed at drivers who want more from the downpipes than the standard units allow, but need the car to stay legally usable on the road and pass an emissions test, which a straight de-cat pipe won't do.
Because they're type-approved, these can be run on a car that's used on the road, unlike a straight de-cat pipe.
Specifications
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System Type: HJS Tuning ECE Downpipes
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Pipe Diameter: 89mm (3.5")
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EC Approved: Yes
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Race System: No
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Fitting Time: approx. 3 to 4 hours (Milltek figure)
Key Features
- Made from T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration
- Mandrel-bent pipework keeps a constant diameter through every bend for unrestricted flow
- 89mm (3.5") pipework
- High-flow sports catalyst flows better than the dense factory unit while still treating exhaust gases
- EC approved
- Designed, developed and manufactured in the UK by Milltek Sport
Fitment
- Hyundai/Kia i30 N 2.0 T-GDi (250PS - Non-OPF models only) (2017-2018)
- Hyundai/Kia i30 N Performance 2.0 T-GDi (275PS - Non-OPF models only) (2017-2018)
Not suitable for: any model, engine or body style not listed above. Check your car before ordering.
Installation
Milltek quotes a fitting time of approx. 3 to 4 hours. This work involves removing parts close to the turbo and engine, so we recommend fitting by a specialist with a ramp and suitable software support.
Upgrade Further
Also available from Milltek for this car: Milltek Cat-back Exhaust Hyundai i30 N 2.0 T-GDi 250PS - Non-OPF 17-18.
Will it fit the Hyundai/Kia i30 N Performance 2.0 T-GDi (275PS - Non-OPF models only)?
Yes. Milltek lists this part for the Hyundai/Kia i30 N Performance 2.0 T-GDi (275PS - Non-OPF models only) as well as the other models in the fitment list above.
Is it road legal?
Every version of this part is listed by Milltek as EC approved.
Do I need a remap?
A suitable remap is strongly recommended, as the engine management needs to account for the change in flow and sensor readings. Speak to your tuner before fitting.
How is a sports cat different from a de-cat?
A sports cat still contains a catalyst, just a less dense one that flows better than the factory unit. A de-cat removes the catalyst completely.
How long does it take to fit?
Milltek quotes approx. 3 to 4 hours.
What is it made from?
T304L aircraft-grade stainless steel, which is anti-magnetic and resists discolouration better than lower grades.
Is there a warranty?
Yes. Milltek products are covered against defects in materials and workmanship. Contact us with your order number if you have a problem.
