HPD Special Parts
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Block EGR flow on late-model 4JJ1-TCX (DPF) with these CNC-machined HPD delete plates. Reduce soot, keep the intake cleaner, and improve consistency on tuned/towing builds.
Precision plates replace the factory EGR cooler path to stop hot exhaust from re-entering the intake. Built from anodised alloy for long life and a tidy engine bay finish.
Key Benefits:
Note: For off-road / competition use. ECU EGR disable required. See legal section below.
These HPD EGR delete plates are specifically designed for DPF-equipped 4JJ1-TCX engines:
💡 Important: Please confirm EGR cooler flange shapes before ordering.
Difficulty Level: Moderate — requires EGR system removal and ECU modification
Time Required: 1-2 hours
⚠️ MANDATORY: ECU EGR disable required to prevent fault codes and check engine lights. Without ECU modification, the system will trigger DTCs (diagnostic trouble codes).
Two Options for ECU EGR Disable:
Consult a qualified diesel tuner for proper ECU EGR disable implementation.
For off-road / competition use only. Emissions modifications are not legal for road use. This product is intended for off-road, racing, and competition use only where emissions compliance is not required. Check your local regulations before purchase or installation.
Q: Will this fit my late-2016 D-MAX?
A: Yes — suits late 2016 to 2020 4JJ1-TCX (DPF-equipped) models. Match flange style before ordering to ensure proper fit.
Q: What's the difference between Pre-DPF and DPF 4JJ1 plates?
A: Pre-DPF plates fit 2012-2016 models without DPF. These DPF plates fit late 2016-2020 models WITH DPF. Different engine configurations require different plates due to flange differences.
Q: Do I need a tune after installation?
A: Yes — an ECU calibration to disable the EGR strategy (or a suitable plug-and-play loom) is required to avoid DTCs (diagnostic trouble codes) and check engine lights.
Q: Will this trigger a check-engine light?
A: Without ECU software changes or an EGR delete loom, the ECU will flag EGR system faults and illuminate the check engine light. Proper tuning or delete loom resolves this.
Q: What are the plates made from?
A: CNC-machined, anodised alloy for strength, corrosion resistance, and long-lasting durability in engine bay environments.
Q: Will this improve performance?
A: The primary benefits are cleaner intake charge, reduced soot accumulation, and lower intake temperatures (EGTs). These improvements help maintain consistent performance over time, especially beneficial on tuned or towing builds.
Q: Is this road-legal?
A: No — emissions modifications are for off-road/competition use only where permitted. Removing emissions equipment is generally illegal for road-registered vehicles.
Q: Can I use an EGR delete loom instead of a tune?
A: Yes — plug-and-play EGR delete looms/cables are an alternative to full ECU remapping. They trick the ECU into thinking the EGR is functioning normally. Consult with your installer or tuner.
Q: Will this affect my DPF system?
A: The EGR delete plates block EGR flow but don't directly affect the DPF. However, with EGR blocked, the DPF may regenerate differently. This is typically managed through ECU tuning.
Q: Do I need to confirm flange shape?
A: Yes, especially if running aftermarket manifolds. Factory 4JJ1-TCX flanges should match, but verify before ordering to ensure proper fit.
HPD EGR delete plates. CNC anodised alloy. Reduces soot. ECU disable required. 2016-2020 models.
