ETS Titanium Top Mount Charge Pipe Burned Finish - Subaru WRX 2022+Replace that restrictive factory charge pipe with the ETS Titanium Top Mount Charge Pipe. Crafted from lightweight titanium, it offers an impressive 2. 50" piping diameter and a 37% increase in flow, meaning faster response and greater horsepower without the need for a tune. The burned titanium finish adds an exotic, race inspired look to your engine bay. Includes silicone hoses, an aluminum adapter to the inlet flange, and new T bolt clamps.