![mTune Calibration [Mk2 Focus RS] - Fitted at mountune HQ Calibration:MP350 / RS500 mountune have addressed this via](https://cdn.shopify.com/s/files/1/0367/2621/files/mTune_Focus_RS_Mk2_fa76c603-135a-45e7-b20f-d12d0554a124.png?v=1769515916)
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mountune have addressed this via a bespoke shore hardness replacement polyurethane bush
This option is for customers who already have the hardware required for m400X installed
Compatible with all Puma models
3" downpipe sports cat
Manufactured from injection moulded ABS and finished in a Satin black to match other OE vehicle trim detail
mTune Calibration [Mk2 Focus RS] - Fitted at mountune HQ Calibration:MP350 / RS500 mountune have addressed this viaFitting: mountune HQ only The mountune calibration is a professionally developed ECU upgrade designed to deliver optimised performance, drivability, and reliability when paired with the correct mountune hardware package. Each calibration is tailored to the vehicles specification and installed by mountune technicians to ensure consistent power delivery, safe operating parameters, and long term durability. This fitting also includes a mountune badge.
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