Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer 60680 Mace MFG please enter the colors you'd

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62" CARBON FIBER

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Borla 2019 Chevrolet Silverado/Sierra 1500 6.2L Atak 3.5in Diameter Polyphonic Harmonizer 60680 Mace MFG please enter the colors you'dBOR Uncategorized Exhaust Muffler SILV. SIERRA 1500 2019 6. 2L V8 AT 2+4WD 4DR OPTIONAL POLYPHONIC HARMONIZER Replace the small muffler behind the primary muffler in the BORLA? "S Type" system with Polyphonic Harmonizer 60680 to attain the "ATAK?" sound level (louder than "S Type"). BORLA?'S Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to