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Chip power box for VW diesel common rail.  Power increase + 20 .. 36PS. Torque increase + 55 .. 80Nm. Reducing fuel consumption - 0,5 .. 1,5 L/100km. Warranty All product have 2 years warranty. No km limit. We try the best to made hight quality products. Support Our technical team are ready to help you asap with quality tech information. Please contact by Ebay message. Shipping & Return Our packages are sending by priority mail ( optional tracking). All country shipping! Return accepted. Please contact us before return.