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Looking for aftermarket parts to modify or upgrade your 2026 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 60679Replace the Polyphonic Harmonizer behind the primary muffler in the BORLA® ATAK® system with muffler 60679 to attain the S-Type sound level (quieter than ATAK®). Built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performanc... Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L S-Type 3.5in Diameter Muffler 2019-2026 GMC Sierra 1500 AT4 / Denali / SLT 2022-2026 GMC Sierra 1500 AT4X / Denali Ultimate $228.99 |