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Vehicle Info NeededBORLAPART NUMBER: 157-60680
Polyphonic Harmonizer Muffler Type: Round
$21499
Ships on 09/04/2026
Lowest Price GuaranteePolyphonic Harmonizer Muffler
- Polyphonic Harmonizer Muffler
- Type: Round
- Inlet Diameter: 3.500 in.
- Outlet Diameter: 3.500 in.
- Un-Notched
For use on a 2019 Silverado/Sierra 1500 6.2L with a Borla S-Type Cat-Back System. Replaces the muffler behind the primary muffler for an aggressive "ATAK" sound.
Part TypeMuffler
BrandBORLA
Package Height11.0
Package Width11.0
Package Length25.0
Weight6.5 PG
Part CategoryPerformance Parts
Internal ConstructionStraight-through
Case ShapeRound
ConstructionAll Welded
Outlet Diameter3.5 in (88.9 mm)
Inlet Diameter3.5 in (88.9 mm)
QuantitySold individually
Inlet LocationCenter
MaterialT-304 Stainless Steel
Inlet QuantityOne
Part FitmentDirect Fit
Case Material304 Stainless Steel
Vendor Part Number60680
Package Qty1
Package TypeEA
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