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Rudy's Performance Parts

Rudy's High Flow Exhaust Manifolds w/ Up Pipes For 01-04 LB7 Duramax

Rudy's High Flow Exhaust Manifolds w/ Up Pipes For 01-04 LB7 Duramax

$629.95 USD
$629.95 USD
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Shipping & returns

Shipping is calculated at checkout by size and destination. Most in-stock gear ships within a few business days; large freight items (campers, racks, bumpers) are made to order. Wrong fitment? Send it back within 30 days — we'll help you find the part that does fit.

Fitment & build help

Not sure if this fits your platform? Tell us your year, make, model, and trim — we'll confirm before you order. For bigger builds, we'll help you plan the full stack.

Warranty

Every product on this site ships through authorized channels with full manufacturer warranty. If something breaks in normal use, we'll help you get it resolved.

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Rudy's is proud to announce the release of our new high-flow race exhaust manifolds and up-pipes. These parts are designed for use on your 2001-2004 GM 6.6L LB7 Duramax diesel truck. The up-pipes feature heavy duty bellows that are internally sleeved and are manufactured from aircraft grade material. These manifolds and up-pipes are designed to lower EGT's, reduce drive pressure and accelerate turbo spool-up time- all while maintaining reliability! This kit includes (2) exhaust manifold gaskets, (2) up-pipe to turbo gaskets, (2) up-pipe to manifold gaskets, and bolts. These are all the gaskets necessary to install these high-flow manifolds and up-pipes on your vehicle.

Features:

  • Bolt-On Replacement
  • Faster Spool-Up & Increased Performance
  • Significant Reduction In Exhaust Back Pressure
  • Free-Flowing Stainless Steel Inner Liner Bellows
  • Stainless steel 11-gauge .120-inch wall, 2-inch OD Up-Pipes
  • Includes gaskets and bolts

  • Ships from San Diego

    We ship from our San Diego dealer network. Most in-stock gear goes out within a few business days — shipping's calculated at checkout by size and destination.

  • Wrong fitment? We make it right.

    If a part doesn't fit your platform the way it should, send it back. We handle the return and find you the part that does.

  • Authorized dealer support

    Every product moves through proper channels. Full manufacturer warranty, real tech support — no gray-market headaches.