BD Duramax Up-Pipes Kit Chevy/GMC 2001-2004 LB7 1993 BD's adjustable Waste Gate Kits

BD's adjustable Waste Gate Kits keep the bypass valve closed

Access hole for 6th bolt

NOS and boost pressure sensor bosses

The turbo Y-adapter is made from high-silicon ductile iron

BD Duramax Up-Pipes Kit Chevy/GMC 2001-2004 LB7 1993 BD's adjustable Waste Gate KitsReplaces the factory exhaust up pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration. BD up pipes are designed to minimize restriction to the turbo utilizing internally shielded expansion bellows. The BD 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. 304 stainless steel precision cast mounting flanges