Replaces 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.. 304L 2-Inch Stainless Tubing Prevents Loss Of Heat Energy And Will Not Corrode Like Aluminized Steel Or 409 Stainless. 304 stainless steel precision cast mounting flanges eliminate exhaust tubing blowouts and ensures correct fitment. Smooth Mandrel Bends Improve Exhaust Gas Flow - Tubing Id Is Not Compromised. BD Diesel 2001-2004 Chevy Duramax LB7 6.6L Up-Pipe Only for Passenger Side. User must have aftermarket downpipe, does not fit with OE Downpipe. User Must Have Aftermarket Downpipe/Does Not Fit With OE Downpipe. Up-Pipe Passenger Side - Chevy 2001-2004 LB76.6L Duramax. Turbocharger UpPipes Kit; Passenger Side;. Internally Shielded 304 Stainless Bellows. UP-PIPE PASSENGER SIDE CHEVY DURAMAX LB7. Turbocharger UpPipes Kit. Turbocharger Up Pipe. UP-PIPE PASS SIDE

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