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The Injen EVO7009 Evolution cold air intake fits 2004–2005 GM Duramax LLY 6.6L diesel trucks. Its 2-piece roto-molded housing, boost plenum and oversized SuperNano-Web dry filter increase available air and use a SHUR-LOCK filter mount for a non-slip seal. Dyno results show gains near +25 hp and +51 lb‑ft, delivered via a drop-in, no‑tune installation with supplied hardware.
Injen 04.5-05 GMC Duramax LLY 6.6L Evolution Intake
