This blanket fits T4-flange exhaust housings on S300, S400, Garrett, Holset and Precision turbochargers. It installs easily, holds heat inside the turbo housing and lowers underhood temperatures.
Inside, ceramic insulation rated for more than 2,500°F of direct heat sits behind a wire mesh layer that resists wear from engine vibration, and a tough high-temperature shell with stainless rivets covers the raw housing. Wehrli makes them by hand in the USA.
Owners of trucks running an aftermarket turbo with a T4-flange exhaust housing.
| Fits | T4-flange exhaust housings: S300, S400, Garrett, Holset, Precision |
|---|---|
| Insulation | Ceramic, rated over 2,500°F direct heat |
| Shell | High-temperature exterior, stainless rivets |
| Made in | USA, handmade |
| Shipping weight / box | 3 lb · 8 × 8 × 8 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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