Borla
Borla 140577 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Dual Rolled Side Exit Cat-Back Exhaust - #140577
Borla 140577 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Dual Rolled Side Exit Cat-Back Exhaust - #140577
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Borla 140577 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Dual Rolled Side Exit Cat-Back Exhaust
This 3.5" diameter into dual 2.25" Cat-Back™ system delivers the aggressive ATAK® sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each tail pipe. A system with black chrome on T-304 stainless steel tips is also available. BORLA® Cat-Back™ and Axle-Back multi-core technology is designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA® Sound of Power respected by motoring enthusiasts everywhere.
Each system is 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 numerical control (CNC) manufacturing ensures an accurate fit.
Best of all, BORLA® stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
Fitment
- 2014-2018 Chevrolet Silverado 1500 (V8)
- 2014-2018 GMC Sierra 1500 (V8)
- Manufacturer Part Number: 140577
CALIFORNIA PROPOSITION 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Image is for reference only; actual product may vary by application.
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Manufacturer's Warranty — Borla
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Manufacturer's Warranty — Borla
Borla exhaust systems are backed by Borla's Million-Mile Warranty against defects in materials and workmanship. Excludes EV-specific components, coatings, and moving/wear parts.
Warranty terms are set by the manufacturer and may change. Full details and claims are handled directly by Borla. Contact us if you need help with a warranty claim.

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