Upgrade parts for your DS DS4
Hardware should be selected around the engine, fuel system, tuning stage and intended use - not from a generic parts list.
Water / Methanol Injection
Auxiliary charge cooling and knock-control support for carefully engineered high-load applications.
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Nitrous Oxide (NOS) Injection
A controlled power-adder system that must be matched to the engine, fuel system and intended use.
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Intercooler Upgrades
Improve charge-temperature control and consistency when the standard cooling system becomes the limit.
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Ignition Upgrades
Match plugs, coils and spark setup to the cylinder pressure, fuel and calibration target.
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Matched forced-induction route
Forced Induction Upgrades
Confirm the fitted induction system before choosing compatible hardware and calibration work.
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Before you buy parts
Send us the current specification and your target first so we can check that the proposed combination makes sense.
Selected: DS DS4 II · 1.2 PureTech e-DSC 136HP Petrol