The Borla S-Type cat-back exhaust for 2019–2023 Chevrolet Silverado and GMC Sierra 1500 models is a true-dual design with a 2.75-inch pipe diameter that fits factory split rear-exit vehicles only, excluding ZR2 and AT4X models. Installation requires cutting the original Y-pipe and reusing factory tips; the system includes an internal X-pipe for flow and sound tuning, is constructed from premium T-304 stainless steel, and is backed by Borla's stated Million-Mile Warranty.
Borla 2019 Chevrolet Silverado / GMC Sierra 1500 S Type Catback Exhaust - 2.75in Pipe Diameter