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GTIN: 00651860638386
into muffler
GTIN: 00651860880280
GTIN: 00651860750347
GTIN: 00651860607733
2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 Optional S-Type Muffler 000 RPM GTIN: 00651860638386Replace the Polyphonic Harmonizer behind the primary muffler in the ATAK(r) system with muffler 60679 to attain the "S Type" sound level (quieter than ATAK(r)). Built from premium T 304 stainless steel, superior to T 400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Designed to provide maximum flow & power. Precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all,
