This blanket wraps the factory-style variable geometry (VGT) turbo exhaust housing on 2017-2026 L5P trucks. It installs easily, holds heat inside the 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.
Tuned L5P owners running a factory-style VGT turbo.
| Engine / years | 6.6L L5P Duramax, 2017-2026 |
|---|---|
| Turbo | Factory-style VGT |
| 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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