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Instruction Sheets for Part Number BOR-140784
Borla ATAK Cat-Back Systems for 2019-2023 SIERRA 1500, SILVERADO 1500 - 140784
Part Number: BOR-140784
Exhaust System, ATAK, Cat-back, Stainless, Natural, Split Rear Exit, Square Chrome Tips, Chevy, GMC, 6.2L, Kit
See More Specifications
Estimated Ship Date: Nov 10, 2026 Would you rather pick it up?
Borla Touring Exhaust Systems for 2019-2023 SIERRA 1500, SILVERADO 1500 - 140771
Estimated Ship Date: Nov 23, 2026
Overview
Brand:
Manufacturer's Part Number:
140784
Part Type:
Product Line:
Summit Racing Part Number:
BOR-140784
Item Number:
5780597
UPC:
808422407847
System Material:
304 stainless steel
System Style:
Cat-back
Exhaust Type:
Single in/Dual out
Exit Location:
Split rear
System Finish:
Natural
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
3.50 in.
Muffler Included:
Yes
Muffler Quantity:
One
Muffler Configuration:
Single inlet/Single outlet
Muffler Style:
Turbo
Muffler Material:
304 stainless steel
Muffler Color:
Natural
Hardware Included:
Yes
Tailpipe Diameter (in.):
2.75 in.
Tip Included:
Yes
Tip Outlet Size (in.):
3.50 x 3.28
Tip Quantity:
4
Tip Shape:
Square
Tip Cut:
Slant
Tip Edge Style:
Rolled edge
Tip Material:
304 stainless steel
Tip Color:
Polished
Remanufactured:
No
Quantity:
Sold as a kit.
Special Attention:
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Borla ATAK Cat-Back Systems
Borla’s ATAK Cat-Back System 140784 fits factory split rear exit vehicles ONLY (except ZR2 and AT4X models). It includes bright chrome on T-304 stainless steel tips. The aggressive ATAK muffler and Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths—creating multiple exhaust notes that harmonize to deliver a clean, rich, full-bodied sound. Borla cat-back and axle-back exhaust systems blend patented straight-through and multi-core technology 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 to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow and power; and precision computer numerical control (CNC) manufacturing facilitates an accurate fit. Best of all, Borla stands behind every system—just what you’d expect from the world’s most experienced (and most winning) exhaust brand.
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Some parts are not legal for use in California or other states with similar laws / regulations
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