Borla 60679 | Exhaust Muffler

Part Number
S-Type Muffler; 3.5 in.; 304 Stainless Steel

Fits: 19-21 Chevrolet Silverado 1500, 19-21 GMC Sierra 1500

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Replace the Polyphonic Harmonizer behind the muffler in the ATAK(R) system with this muffler 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. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer-controlled CNC manufacturing ensures an accurate fit. Best of all, BORLA(R) stands behind every connection pipe with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

BRAND: Borla


  • S-Type Muffler
  • S-Type Muffler; 3.5 in.; 304 Stainless Steel;


Inlet Inside Diameter3.500 in.
Inlet Outside Diameter3.500 in.
MaterialT-304 Stainless Steel
Tip Quantity1
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: This product in the physical form it is sold does not present a hazard. However; operations including; but not limited to welding; brazing; or thermal cutting can expose you to chemicals including Chromium; Nickel; Cobalt; Arsenic; Cadmium and Lead which are known to the State Of California to cause cancer; birth defects and other reproductive harm. For more information go to

3.5 in.; 304 Stainless Steel



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