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Mishimoto Mishimoto MMICP-DMAX-06CBK Cold-Side Intercooler Pipe and Boot Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fits 2006-2010 6.6L Duramax V8 (LBZ) · 6.6L Duramax V8 (LMM)

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gain
no published figure
price
$435.95
at Alligator Performance
install
3/5 difficulty · ~3-4 hrs
Buy at Alligator Performance→

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 Mishimoto Mishimoto MMICP-DMAX-06CBK Cold-Side Intercooler Pipe and Boot Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax, listed to fit the 2006-2010 GMC Sierra 2500HD/3500HD with the 6.6L Duramax V8 (LBZ) or 6.6L Duramax V8 (LMM).

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. Alligator Performance lists it at $435.95, and the fitment above is what the listing itself states, not a guess.

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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 our affiliate disclosure.