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Rudy's Performance Parts

Rudy's High Flow Race Exhaust Manifolds & Gaskets For 01-04 GM 6.6L Duramax

Rudy's High Flow Race Exhaust Manifolds & Gaskets For 01-04 GM 6.6L Duramax

Regular price $344.95 USD
Regular price Sale price $344.95 USD
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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 Diesel Performance is proud to announce the release of our new high-flow race exhaust manifolds. These manifolds are designed for use on your 2001-2004 GM 6.6L Duramax diesel truck. These manifolds 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. These are all the gaskets necessary to install these high-flow manifolds on your vehicle.

Rudy's Diesel Performance is proud to announce the release of our new high-flow race exhaust manifolds. These manifolds are designed for use on your 2001-2004 GM 6.6L Duramax diesel truck. These manifolds 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. These are all the gaskets necessary to install these high-flow manifolds on your vehicle.

 

Features:

  • D-Pipes for single turbos
  • Significant reduction in exhaust back pressures
  • Cast hi-sil moly iron high flow manifold construction
  • Built in bosses, pre-drilled and tapped 1/8" NPT for EGT gauge sensor

Includes:

  • Driver and Passenger Side Manifolds
  • Manifold Gaskets
  • Manifold Bolts 

Fitment:

  • 2001-2004 GMC Sierra 2500/3500 6.6L LB7 Duramax Diesel
  • 2001-2004 Chevrolet Silverado 2500/3500 6.6L LB7 Duramax Diesel

 

Notes:

  • These exhaust manifolds will NOT work with OEM up pipes.
  • These race manifolds are designed for closed course racing vehicles and are not to be used on the street.
  • 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.