The top 5 intake brands enthusiasts actually trust for the New HD Frame — L5P Duramax (2017-2019) GMC Sierra 2500HD/3500HD (Duramax) — ranked by community reputation and fitment reliability.
2017-2019 GMC Sierra 2500HD/3500HD (Duramax) · Intake
InstantFetched 2d ago · Refreshes in 58d
AFE Power
Proven fitment, excellent airflow gains, diesel-tested durability.
Widely available through major performance retailers.
S&B Filters
Reliable fitment, strong community trust, consistent performance.
Widely available through major performance retailers.
Volant
Precision engineering, proven on Duramax platform, quality construction.
Widely available through major performance retailers.
Airaid
Good fitment reliability, affordable, diesel community acceptance.
Widely available through major performance retailers.
Banks Power
Integrated intake systems, strong diesel reputation, OEM-quality fitment.
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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