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Looking for in-stock aftermarket parts to modify or upgrade your 2004 GMC Sierra 3500 with intercooler ducting? At Tunersports.com we carry a huge selection of the top name brand performance intercooler ducting parts and accessories.
 IN STOCK 25936Before Banks engineers design; build and test power systems; they first examine stock vehicles to see where components choke airflow; create backpressure; raise EGTs; and compromise fuel delivery; Banks then gives back the power; durability and engine efficiency the factory left on the table. The u... Banks Power 04.5-09 Chevy 6.6L Boost Tube Upgrade Kit 2004-2005 GMC Sierra 3500 Base 2004-2006 GMC Sierra 3500 SLE / SLT / WT $189.00 |