tuningdiesels

Tuning Diesels

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About us

Synergy® Ronbox® top selling tuning boxes direct from the manufacturer enhance your diesel's performance, filling holes in the torque curve caused by stringent emission regs. 1000s of our upgradable & transferable modules have been sold since 2005. If you cannot find our products for your vehicle please visit our website tuning-diesels.com You can also read more about our products including those not listed.

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