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Go To The GT-Nblaster Product Page Here: http://thegermantooltruck.com/product/gt-nblaster/ We have just uploaded a video to show the NBLASTER in use on a 2.0T VW Tiguan FSI engine. As you can see carbon buildup wasn’t that bad but it made a difference after just a few minutes of blasting. GT-NBlaster Advantages 1)