Exhaust Systems
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6.7L Powerstroke 4 Inch Downpipe-Back Stainless Steel Exhaust System (2011-2026)
(2011-2026)
Powerstroke
6.7L
From $522.50
6.7L Powerstroke 5 Inch Downpipe Back Race Exhaust | 2011-2026 FORD
(2011 - 2026)
Powerstroke
6.7L
From $605.00
6.6L Duramax L5P Downpipe Back Race Exhaust System | 2017-2026 GMC/Silverado
(2017 - 2026)
Duramax
L5P
From $515.00
6.7L Cummins Competition Exhaust | 2013-2018 RAM
(2013 - 2018)
Cummins
6.7L
From $529.00
6.4L Powerstroke 4 Inch Downpipe Back Exhaust System | FORD 2008-2010
(2008-2010)
Powerstroke
6.4L
$629.99
3.0L Duramax LM2 CAT DPF Race Pipe | 2020-2024 Sierra Silverado 1500
(2020-2024)
Duramax
LM2, 3.0L
$350.00
6.7L Cummins Downpipe Back Exhaust System | 2019-2024 RAM
(2019 - 2024)
Cummins
6.7L
From $529.00
6.0L Powerstroke Turbo Back Race Exhaust System | 2003-2007
(2003 - 2007)
Powerstroke
6.0L
From $550.00
Mercedes Sprinter 3.0L 3" DPF Delete Parts Kit (2010-2025)
(2010 - 2025)
Sprinter
3.0L
From $499.99
6.7L Cummins 5 Inch Turbo Back Race Exhaust System | 2011-2018 Cab Chassis
(2011-2018)
Cummins
6.7L
$799.99
About 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.
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.
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
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.
How to Find the Correct System
- Match your engine and exact model year with the product title.
- Select a turbo-back or downpipe-back layout.
- Choose between 4" and 5" diameter, and select a muffler or straight-pipe option.