This 3.5” turbocharger downpipe (a.k.a. turbo direct pipe) will fully remove the DOC and increase exhaust flow out of the turbo, improving power and performance. This pipe is needed to fully remove your emissions but isn’t required for a performance tune.
*Does not include a DOC delete.
*Will not fit Cab & Chassis trucks.
GM Duramax L5P 6.6L - 30 Cal 3" Downpipe (2017-2023)
SKU: EP-GM-L5P-DP
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 GMC Sierra 2500 / 3500 HD with a 6.6L Duramax L5P engine.
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 Chevrolet Silverado 2500 / 3500 HD with a 6.6L Duramax L5P engine.
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Will not fit Cab & Chassis trucks.
- 2017, 2018, 2019, 2020, 2021, 2022, & 2023 GMC Sierra 2500 / 3500 HD with a 6.6L Duramax L5P engine.
- 3.5" 409 Stainless Steel Piping
- 20% better flow than the factory pipe
- Heat wrap included keeping engine bay temperatures down
- Greater heat-retention
- Will not affect emissions systems
- Maximum flow for competition applications
- 4-bolt flange, two studs installed
- Completely eliminates the DOC
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