The factory LB7 up-pipes, which run from the exhaust manifolds to the turbo, tend to deteriorate and leak. BD's replacements use internally shielded expansion bellows and are designed to keep restriction to the turbo low.
They are a longer-lasting fix for a common problem, and a sensible add-on while other engine or transmission work has the truck apart.
Owners of 2001-2004 LB7 Duramax trucks with leaking up-pipes.
| Engine | 6.6L LB7 Duramax, 2001-2004 |
|---|---|
| Bellows | Internally shielded expansion |
| Install time (BD estimate) | 5 hours |
| Warranty | 12 months / 24,000 miles |
| Shipping weight / box | 11 lb · 18 × 15 × 8 in |
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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