The top 4 turbo 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) · Turbo
InstantFetched 3d ago · Refreshes in 57d
Fleece Performance Engineering
Dominant choice for fitment, reliability, and power gains.
Sold direct through Fleece Performance's own site.
Compound Turbo
Trusted for durability and custom 6.7L Cummins applications.
Sold direct and through authorized Cummins diesel retailers.
Garrett Motion (OEM + Aftermarket)
Factory-grade fitment, proven longevity under load.
Available through major diesel performance retailers.
Holset
Industrial heritage, proven stock replacement and upgrade path.
Available through diesel performance and truck shops.
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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