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Looking for aftermarket parts to modify or upgrade your GMC Sierra 1500 Classic with muffler? At Tunersports.com we carry a huge selection of the top name brand performance muffler parts and accessories.
 IN STOCK - DROPSHIPS 11219The MagnaFlow 4 X 9in. Oval Straight-Through Performance Exhaust Muffler 11219 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 14X4X9-3 C/C 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $159.60 |
 IN STOCK 12649The MagnaFlow 6in. Round Straight-Through Performance Exhaust Muffler 12649 brings our world-famous exhaust sound and dyno-proven performance to your ride in a weight-optimized 6x6x18in. package with a premium satin finish. The straight-through free-flowing design of this round-bodied muffler's reve... MagnaFlow Muffler Mag SS 18X6X6 3/3 C/C 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $162.86 |
 OUT OF STOCK 14221The MagnaFlow 5 X 8in. Oval Straight-Through Performance Exhaust Muffler 14221 brings our signature sound and dyno-proven performance to your ride with a free-flowing straight-through perforated stainless steel core wrapped in stainless steel mesh and acoustic fiber fill, and a weight-optimized, rev... MagnaFlow Muffler Mag SS 5X8 14 3/2.5 2007-2007 GMC Sierra 1500 Classic Hybrid / SL / SLE / SLT / WT $214.84 |