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Looking for aftermarket parts to modify or upgrade your 2007 GMC Sierra 1500 with muffler? At Tunersports.com we carry a huge selection of the top name brand performance muffler parts and accessories.
 IN STOCK 12198The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 12198 is engineered to enhance your ride with a healthy helping of our signature exhaust sound and dyno-proven performance thanks to its free-flowing straight-through perforated stainless steel core wrapped in stainless steel m... MagnaFlow Muffler Mag SS 14X5X8-3X2.5/2.5 C/D 2005-2013 GMC Sierra 1500 WT 2005-2018 GMC Sierra 1500 SLE / SLT 2006-2013 GMC Sierra 1500 SL $162.86 |