FRED has added 2 Underlying Inflation Gauge data series from the Federal Reserve Bank of New York.

The Underlying Inflation Gauge (UIG) is a monthly estimate of trend inflation. The New York Fed uses consumer price index data from the US Bureau of Labor Statistics (BLS) to produce its two estimates: the full data set measure combines many of the BLS price data series with several macroeconomic and financial variables; the prices-only measure solely employs BLS price data. More details are available under Related Reading.