Pacific Performance Engineering (PPE) 2011-2016 GM 6.6L Duramax LML Performance Intercooler
Fits 2011-2016 6.6L Duramax V8 (LML)
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where to buy · 2 retailers tracked
An intercooler cools the air after the turbo squeezes it. Cooler air is denser, which is what the engine actually wants. This one is the Pacific Performance Engineering 2011-2016 GM 6.6L Duramax LML Performance Intercooler, listed to fit the 2011-2016 GMC Sierra 2500HD/3500HD with the 6.6L Duramax V8 (LML).
why this one — The gain shows up on repeat hard pulls and towing, where the stock cooler heat-soaks, more than on a single run. PPE Direct lists it at $1699.99, and the fitment above is what the listing itself states, not a guess.
No published gain figure for this part, and nothing here is a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See how we check a price and our affiliate disclosure.