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Rudy's Performance Parts

Rudy's High Flow Stainless Steel Exhaust Manifold Kit For 2001-2016 GM 6.6L Duramax Diesel

Rudy's High Flow Stainless Steel Exhaust Manifold Kit For 2001-2016 GM 6.6L Duramax Diesel

$349.95 USD
$349.95 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 stainless steel exhaust manifolds. These manifolds are designed for use on your 2001-2016 GM 6.6L Duramax truck. These manifolds are designed to lower EGT's, reduce drive pressure and accelerate turbo spool-up time- all while maintaining reliability! 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
  • Stainless Steel 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:

  • 2001-2016 GMC Sierra 2500/3500 6.6L Duramax Diesel
  • 2001-2016 Chevrolet Silverado 2500/3500 6.6L Duramax Diesel

Notes:

  • These exhaust manifolds will NOT work with OEM up pipes.

  • 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.