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Rudy's Performance Parts

Rudy's Heavy Duty Replacement Drivers Side Up Pipe For 01-04 LB7 Duramax Diesel

Rudy's Heavy Duty Replacement Drivers Side Up Pipe For 01-04 LB7 Duramax Diesel

$94.95 USD
$94.95 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 heavy-duty replacement driver-side up-pipe. This up-pipe is designed for use on your 2001–2004 GM 6.6L Duramax diesel truck. It is engineered to help lower EGTs, reduce drive pressure, and improve turbo spool-up time—all while maintaining long-term reliability.

This kit includes (1) up-pipe to turbo gasket and (1) up-pipe to manifold gasket, providing everything necessary to install this replacement up-pipe on your vehicle.

Features:

  • Direct bolt-on replacement
  • Faster spool-up & increased performance
  • Significant reduction in exhaust back pressure
  • Free-flowing stainless steel inner liner bellows
  • Constructed from 11-gauge (.120-inch wall), 2-inch OD stainless steel
  • Includes required gaskets (bolts not included)
  • Backed by a 1-year warranty

  • 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.