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The Thermal Zero Universal Flat Internally Wastegated Turbo Blanket fits a very large variety of turbochargers. To get an idea of size it was originally designed to fit on the OEM IHI Subaru turbochargers that are near the TD04 sizing. We acutally make two different lengths of this blanket (short: part number TZ1155 and long: part number TZ1195).
This blanket is a three layer design consisting of a heavy 6 pound density 1/2″ thick ceramic wool inner layer construction that easily handles 2500°F. This is sandwiched between a high temperature silicone impregnated fiberglass outer layer and a protective stainless steel knitted wire mesh inner layer. The entire blanket is extremely durable and very well built by hand here in the USA.
Generally speaking if you own a turbo subaru and still have the OEM turbocharger then this blanket will fit. If you upgraded the turbo to a larger exhaust housing yet still retain the internal wastegate design then you need the long version (TZ1195). Easy enough right? We have been selling this pattern blanket for years and have yet to hear a bad remark about it. It fits a whole lot of turbos very well and does one simple job very well also. That is holding heat in away from surrounding lines and components and allowing the turbo to spool noticeably faster thus making power.
Ditch the stock heat shield that does nothing for you and install one of these blankets.
