RACECHIP Tuning Box's - Do They WORK? DYNO TEST RESULTS!

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Plug in tuning boxes from brands such as HDI and Racechip are seen as a quick and easy way to increase performance for your vehicle. I test a Racechip piggyback diesel tuning box fitted to my Mercedes W205 C220D on a DYNO to see if it gives the BHP and TORQUE gains claimed.

A total 12 runs were performed for complete accuracy and all results were constant. Your results may vary.

Credits : Racechip
https://www.youtube.com/channel/UChtZONiJe-DD0FCEqf_5bSA

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