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Looking for aftermarket parts to modify or upgrade your 2011 GMC Sierra 2500 HD with muffler? At Tunersports.com we carry a huge selection of the top name brand performance muffler parts and accessories.
 SHIPS FROM MANUFACTURER 54008Monster Exhaust Benefits. Replacing the restrictive stock muffler with Banks free-flowing Monster muffler makes a huge difference in airflow, sound and performance. The Banks muffler has a large inlet and outlet. And in between, the exhaust flows straight through, instead of torturously winding its ... Banks Power 05-11 Ford 6.8/6.2L Truck/Chevy 6.0-6.2L Muffler - 3.5in X 3.5in 2011-2012 GMC Sierra 2500 HD Denali / SLE / SLT / WT $299.00 |