The top 4 intake brands enthusiasts actually trust for the 3rd Gen — 6.7L Cummins (2008-2009) Ram 2500/3500 (Cummins) — ranked by community reputation and fitment reliability.
2008-2009 Ram 2500/3500 (Cummins) · Intake
InstantFetched 3d ago · Refreshes in 57d
AirDog
Most reliable fuel filtration, proven durability Cummins standard.
Widely available through major diesel performance retailers.
S&B Filters
Superior air filtration, excellent fitment this generation.
Widely available through major diesel performance retailers.
Fass Fuel Systems
Trusted fuel system upgrade, strong community reputation.
Widely available through major diesel performance retailers.
Intake Manifold Porting (custom)
Best power gains, requires specialist fabrication and tuning.
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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