GM Duramax

FISH – 2011-16 DURAMAX LML SWITCH (BLACK/YELLOW)

  DURAMX 06-23 LBZ/LMM/LML/L5P HP LEVEL + Tow 50 Street 90 Performance 120 Extreme 150 SOTF 0-150

HP Tuners uses a credit-based licensing system. Credits are used as currency to purchase licenses for the different modules in a vehicle. Licensing a module gives you the ability to tune it. The number of credits necessary to purchase a license varies depending on...

The Flo~Pro 3" Turbo Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2016-2022 Chevy/GMC Colorado/Canyon 2.8L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 3" flow path to help lower...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2007.5-2010 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2011-2015 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2007.5-2010 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat & DPF Race Pipe is a direct-fit exhaust upgrade built specifically for the 2011-2015 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2011-2015 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat & DPF Race Pipe is a direct-fit exhaust upgrade built specifically for the 2015.5-2016 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2015.5-2016 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2017-2019 Chevy/GMC 2500HD/3500HD 6.6L Duramax L5P. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2017-2019 Chevy/GMC 2500HD/3500HD 6.6L Duramax L5P. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help...

The Flo~Pro 4" Cat & DPF Race Pipe is a direct-fit exhaust upgrade built specifically for the 2017-2026 Chevy/GMC 2500HD/3500HD 6.6L Duramax L5P. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2020-2026 Chevy/GMC 2500HD/3500HD 6.6L Duramax L5P. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help...

The Flo~Pro 3" Cat & DPF Race Pipe is a direct-fit exhaust upgrade built specifically for the 2020-2025 Chevy/GMC Silverado 1500/Sierra 1500 3.0L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 3" flow path...

The Flo~Pro 4" Downpipe Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2001-2004.5 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Downpipe Back Dual Exhaust is a direct-fit exhaust upgrade built specifically for the 2001-2004.5 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2001-2004.5 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...

The Flo~Pro 4" Cat Back Single Exhaust is a direct-fit exhaust upgrade built specifically for the 2001-2004.5 Chevy/GMC 2500HD/3500HD 6.6L Duramax. Fabricated in Alberta, Canada from U.S.-sourced heavy-gauge steel tubing, it replaces restrictive factory piping with a full 4" flow path to help lower...