L5P 3.5″ Down-pipe 2020-2023 GM Duramax

$467.50 $357 USD
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Description

Fits vehicles:
2017, 2018, 2018, 2019, 2020, 2020, 2021, 2022, 2023 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax L5P pickups.

Description:
This 3.5-inch turbocharger downpipe (also known as a turbocharger straight pipe) eliminates the DHO and increases exhaust flow coming out of the turbocharger, improving performance. There are other versions of this pipe that start behind the diesel oxidation catalysts, leaving it installed for emissions systems, but this pipe removes the DOC completely, providing the best airflow and power gains.

Features:
3.5-inch stainless steel piping
20% better flow compared to factory pipe
Thermal insulation film included to reduce engine compartment temperatures
Increased heat dissipation
Does not affect exhaust systems
Maximum flow for competition
4-bolt flange, two studs installed
Completely eliminates DOC

* For off-road use only. Requires customization*

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