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VW 2.0T Pierburg Upgraded Piston Diverter Valve -
When the 2.0T engine was introduced, the rubber diaphragm in the original diverter valve failed regularly, even at stock boost levels.
The improved Pierburg diverter valve has a piston valve design that eliminates the original, failure-prone rubber diaphragm.
This mechanical design is more durable and is an excellent upgrade for all stock or modified 2.0T FSI & TSI engines. Kits also include the highly convenient VAG Connector Removal Tool.
Spend more time driving, less time fixing!