Wilbur's Finest TSI Walnut Blaster Printed: Heavy Duty intake port adapter for Volkswagen and Audi BPY/CDL/CRZA TFSI Engines (2.0 R4 16V Turbo FSI / TSI / TFSI. The adapter fits a 1 1/4" or 1 5/8" vacuum hose & up to a 7/16" blast nozzle while doing intake manifold walnut blasting on the intake valves. You may need to use duct tape or additional adapters to fit your particular vacuum. Compatible With: 2.0T I4 2005 - 2016 (EA113 / EA888) 3.0T V6 2010 - 2017 (EA837) 4.2L V8 2006 - 2014 5.2L V10 2008 - 2011