• Duramax
    • 2.8L GM Duramax LWN (2016-2019)
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    • 6.6L GM Duramax LB7 (2001-2004)
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  • Diesel Tuning
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Home GM Duramax 6.6L Duramax LB7 (2001-2004) GM Duramax 6.6L – Downpipe-Back Race Full Exhaust (2001-2007)
Ford Powerstroke 6.4L - Billet Fuel Filter Cap (2008-2010)
Ford Powerstroke 6.4L - Billet Fuel Filter Cap (2007.5-2010) $219.98 Original price was: $219.98.$148.49Current price is: $148.49.
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GM Duramax 6.6L - Downpipe-Back Race Exhaust (2011-2015)
GM Duramax LML - Downpipe-Back Race Full Exhaust (2011-2015) $742.50 – $816.75
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GM Duramax 6.6L - Downpipe-Back Race Exhaust (2001-2007)
GM Duramax 6.6L - Downpipe-Back Race Exhaust (2001-2007)
GM Duramax 6.6L - Downpipe-Back Race Exhaust (2001-2007)
GM Duramax 6.6L - Downpipe-Back Race Exhaust (2001-2007)

GM Duramax 6.6L – Downpipe-Back Race Full Exhaust (2001-2007)

$594.00 – $668.25

🏴󠁵󠁳󠁯󠁲󠁿 Made in the United States
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Enhance your truck’s performance with our Downpipe-Back Stainless Steel Race Exhaust, designed specifically for 2001-2007 Chevrolet Silverado & GMC Sierra 2500 & 3500HD with a 6.6L Duramax LB7 / LLY / LBZ engine. Built for maximum flow, this system excels in competitive racing contexts and is pivotal for advancing fuel efficiency.

Product Features:

· Constructed from high-quality 4″ or 5″ stainless steel piping for durability
· Features OEM style hangers for straightforward installation
· Designed to remove the catalytic converter and DPF filter for enhanced flow
· Increases fuel efficiency, optimizing vehicle performance
· Engineered specifically for off-road competitive use

If sound control is important to you, you have the option to add either a 4″ or 5″ muffler, depending on your preferences.

Product Specifications:

· Material: T304 Polished Stainless Steel
· Type: Downpipe-Back Race Exhaust System
· Diameter Options: Available in 4-inch and 5-inch
· Compatibility: Direct fit for specific Chevrolet and GMC models

Performance and Application:

Perfect for truck enthusiasts and racers, this exhaust system is designed to provide your Chevrolet Silverado or GMC Sierra with minimal exhaust flow restriction. It’s meant to boost engine performance, increase fuel economy, and enhance the aggressive sound of your vehicle. Suitable for race tracks and other off-road uses, this exhaust allows you to get the most out of your truck’s performance capabilities.

Installation Considerations:

Installation is simplified with OE style hangers that fit into existing mounts, making the setup process both efficient and hassle-free. It is advised to be installed by professionals or those experienced with vehicle exhaust systems to ensure optimal performance and safety. The removal of certain exhaust components, necessary for installation, warrants a race tuning to match the adjusted exhaust flow.

Vehicle Fitments:

· 2001-2007 Chevrolet Silverado/GMC Sierra 2500 & 3500HD with 6.6L Duramax LB7/LLY/LBZ

Please note that this system does not fit Cab & Chassis models and is strictly for off-road use.

  • 4-inch System
  • 5-inch System
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SKU: N/A Categories: 6.6L Duramax LB7 (2001-2004), 6.6L Duramax LBZ (2006-2007), 6.6L Duramax LLY (2004.5-2005), Downpipe-Back Exhaust Tags: GM Duramax LB7 6.6L (2001-2004), GM Duramax LBZ 6.6L (2006-2007), GM Duramax LLY 6.6L (2004.5-2005)

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  • Parts
  • Truck Models
  • Duramax
    • 2.8L GM Duramax LWN (2016-2019)
    • 3.0L GM Duramax LM2 (2019-2022)
    • 6.6L GM Duramax L5P (2017-2019)
    • 6.6L GM Duramax L5P (2020-2024)
    • 6.6L GM Duramax LB7 (2001-2004)
    • 6.6L GM Duramax LBZ (2006-2007)
    • 6.6L GM Duramax LLY (2004.5-2005)
    • 6.6L GM Duramax LML (2011-2015)
    • 6.6L GM Duramax LML (2015.5-2016)
    • 6.6L GM Duramax LMM (2007.5-2010)
  • Cummins
    • 5.0L Cummins (2016-2019)
    • 5.9L Cummins (1998.5-2002)
    • 5.9L Cummins (2003-2007)
    • 6.7L Cummins (2007.5-2009)
    • 6.7L Cummins (2010-2012)
    • 6.7L Cummins (2013-2018)
    • 6.7L Cummins (2019-2021)
    • 6.7L Cummins (2022-2024)
  • Powerstroke
    • 3.0L Ford Powerstroke (2018-2020)
    • 6.0L Ford Powerstroke (2003-2007)
    • 6.4L Ford Powerstroke (2007.5-2010)
    • 6.7L Ford Powerstroke (2011-2014)
    • 6.7L Ford Powerstroke (2015-2016)
    • 6.7L Ford Powerstroke (2017-2019)
    • 6.7L Ford Powerstroke (2020-2022)
    • 6.7L Ford Powerstroke (2023-2024)
    • 7.3L Ford Powerstroke (1999.5-2003)
  • Jeep EcoDiesel
    • Jeep Gladiator (2020-2023)
    • Jeep Grand Cherokee (2014-2020)
    • Jeep Wrangler (2020-2023)
  • Mercedes Sprinter
    • Mercedes Sprinter 3.0L
  • Nissan Titan
    • Nissan Titan Cummins Diesel 5.0L (2016-2019)
  • Ram Ecodiesel
    • 3.0L Ram EcoDiesel (2014-2019)
  • Diesel Tuning
  • Cooling System
    • Coolant Filter Kit
    • Coolant Hose, Pipe & Kit
  • EGR Delete Kit
  • Intake System
    • Engine Sensor & Wiring System
    • Exhaust Manifold
    • Intake Manifold
    • Up-Pipe And Y-Pipe
  • Exhaust System
    • Cab Adapter
    • CAT-Back Exhaust
    • DPF & CAT Delete Pipe
    • Downpipe-Back Exhaust
    • DPF Back Exhaust
    • Exhaust Clamps & Misc
    • Exhaust Tip
    • Muffler Delete
    • Turbo-Back Exhaust
    • Turbo Downpipe
  • Intercooler Pipe Kit
    • Intercooler
    • Pipe & Boot Kit
  • Cold Air Intake
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