Exhaust Systems

Technical Summary

High-flow competition exhaust systems designed for Ford Powerstroke, Ram Cummins, GM Duramax, Mercedes Sprinter, and Nissan Cummins engines. Systems are available in turbo-back and downpipe-back configurations to maximize exhaust flow, improve turbo response, and deliver an aggressive diesel tone. All products are categorized by engine model and vehicle year for precise, reliable fitment.

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Engineering and Design Advantage

Maximum Flow: Features 4" and 5" mandrel-bent piping to reduce backpressure and enhance mid-range to top-end power.

Faster Spool, Lower EGTs: Optimized exhaust routing improves turbo scavenging and reduces exhaust gas temperatures under heavy load.

Distinctive Sound: Produces an aggressive diesel tone; available in straight-pipe or muffled configurations.

Precision Fitment: Uses direct bolt-on installation with factory-style hangers and brackets.

Rugged Construction: Made from T409 or T304 stainless steel for superior corrosion and high-temperature resistance.

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Collection Includes

Ram Cummins

• 6.7L Down-pipe Back Competition Exhaust (2013–2018)
• 6.7L 4" Downpipe-Back Stainless Exhaust System (2019–2024)
• 6.7L Downpipe-Back Exhaust System (2019–2024)
• 6.7L Turbo-Back Race Exhaust w/o Muffler (2007.5–2012)
• 6.7L C&C 5" Turbo-Back Race Exhaust System (2011–2018)

Ford Powerstroke

• 6.7L 5" Downpipe-Back Race Exhaust (2011–2022)
• 6.7L 4" Downpipe-Back Race Exhaust (2011–2024)
• 6.7L 4" Downpipe-Back Stainless Exhaust System (2011–2025)
• 6.4L 4" Downpipe-Back Exhaust System (2008–2010)
• 6.0L Turbo-Back Race Exhaust System (2003–2007)
• 7.3L 5" Turbo-Back Race Exhaust (1999–2003)

GM Duramax

• L5P Down-pipe Back Race Exhaust System (2017–2023)
• L5P 4" Down-pipe Back Race Exhaust (2017–2023)
• LML Down-pipe Back Race Exhaust (2015.5–2016)
• 6.6L Downpipe-Back Race Exhaust (2011–2015)
• 6.6L Down-pipe Back Race Exhaust (2001–2007)
• LMM 4" Down-pipe Back Exhaust (2007.5–2010)
• LM2 Cat & DPF Race Pipe (2020–2022)
• Canyon/Colorado LWN 3" Turbo-Back Race Exhaust (2016–2021)

Mercedes Sprinter

• 3.0L 3" DPF Delete Performance Exhaust (2010–2018)
• 3.0L 3" DPF Delete Parts Kit (2010–2025)

Nissan Cummins

• 5.0L Race Exhaust w/ Muffler (2016–2018)

Mufflers & Components

• Stainless Steel Diesel Muffler T409 4" Diesel Muffler

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Key Performance Specifications

Diameters: 4" and 5" systems specific to each application.

Construction: T409/T304 stainless steel, mandrel-bent tubing.

Configuration: Turbo-back and downpipe-back exhaust layouts.

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How to Find the Correct System

1. Match your engine and exact model year with the product title.
2. Select a turbo-back or downpipe-back layout.
3. Choose between 4" and 5" diameter, and select a muffler or straight-pipe option.