BLACK TURBO MANIFOLD BLANKET FOR 2003-2009 DODGE RAM 2500 AND 3500 5.9 DODGE CUMMINS DIESEL Holds 2400 degrees. MADE IN USA - MB0309CD-B HANDCRAFTED USA MADE TURBO BLANKET BY THERMAL ZERO HANDLES INTERNAL TEMPERATURES OF UP TO 2500 FAHRENHEIT FITS 2003 - 2009 DODGE CUMMINS 5.9L DIESEL TURBO MANIFOLDS REDUCES UNDER HOOD HEAT FROM TURBO BY UP TO 80% WHEN USED ALONG WITH OUR TURBO BLANKETS Cuts down engine noise emitted from the turbo manifold.