Description
Replaces the factory Duramax exhaust up-pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration. BD LB7 up-pipes are designed to minimize restriction to the turbo utilizing internally shielded expansion bellows. The BD LB7 up-pipes are a durable, longer-life replacement for this common problem and are perfect as an upgrade while performing other engine or transmission repairs.
FEATURES
- 304 stainless steel precision cast mounting flanges eliminate exhaust tubing blowouts and ensures correct fitment
- 304L 2-inch stainless tubing prevents loss of heat energy and will not corrode like aluminized steel or 409 stainless
- Larger bore (1.8″ ID) internally shielded 304 stainless bellows, eliminates restrictive 1.3″ ID OEM bellows maximizing exhaust energy to drive turbocharger
- Smooth mandrel bends improve exhaust gas flow – tubing ID is not compromised
- Increased turbo response with lower EGT’s
- User must have aftermarket downpipe, does not fit with OE Downpipe
INSTALL TIME
- 5 Hours
WARRANTY
Parts
- 12-Months
- 24,000 Miles
Note
- Surface rust not eligible
NOTE
- Aftermarket downpipe required – Some modification necessary
- Not for sale on licensed California vehicles
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