The top 5 intake brands enthusiasts actually trust for the T1XX (2020-current) GMC Sierra 2500HD/3500HD (Duramax) — ranked by community reputation and fitment reliability.
2020-2026 GMC Sierra 2500HD/3500HD (Duramax) · Intake
InstantFetched 2d ago · Refreshes in 58d
Banks Power
Proven Duramax compatibility, excellent filtration and durability.
Widely available through major performance retailers.
AFE Power
Trusted fitment for L5P Duramax, strong community consensus.
Widely available through major performance retailers.
ARP Intake Manifold Bolts / Factory GM
OEM reliability, community-recommended upgrade for boost stability.
Available through GM dealers and major retailers.
Diesel Labs
Custom L5P intake solutions, strong reputation among Duramax owners.
S&B Filters
Reliable cold-air filtration, excellent flow and longevity.
Widely available through major performance retailers.
Adds live pricing, recent forum sentiment, and fitment notes from real-time search.
Curious what to expect? Here's a sample report for VA (2015-2021) Subaru WRX.
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