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EGR Removal

EGR Removal Services By Castle Street Our EGR Removal service has become very popular with motorists due to the ever increasing cost of repairing/replacing the unit....

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Speed Limiter

Castle Street Tuning can turn on speed limits or completely remove the limiter on your vehicle. Please contact for further...

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Petrol Performance Tuning

Petrol ECU Remapping for Performance Petrol performance ECU remapping is an art. It’s no easy job and requires undivided care & attention, even from the most...

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Diesel Performance Tuning

Diesel Tuning for Performance Many people believe if you want a fast car it should be a petrol – and if you want economy, it should be a diesel. However, today’s...

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Diesel Economy Tuning

Diesel Economy Remapping – Saving You £££’s Our Diesel Economy Remapping sessions are suited to all turbo and non-turbo diesel vehicles. Improved fuel efficiency &...

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