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Instruction Sheets for Part Number BOR-11931
Exhaust System, ATAK, Rear Axle-back, Dual, Stainless Steel, Natural, Split Rear Exit, Chevy, Kit
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Estimated Ship Date: Oct 23, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11931
Part Type:
Product Line:
Summit Racing Part Number:
BOR-11931
UPC:
808422219310
System Material:
304 stainless steel
System Style:
Rear axle-back
Exhaust Type:
Dual
Exit Location:
Split rear
System Finish:
Natural
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
2.25 in.
Muffler Included:
Yes
Muffler Quantity:
Two
Muffler Configuration:
Dual inlet/Quad 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.):
4.00
Tip Quantity:
4
Tip Shape:
Round
Tip Cut:
Slant
Tip Edge Style:
Rolled edge
Tip Material:
304 stainless steel
Tip Color:
Polished
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Fits models with dual mode exhaust. Valves included.
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 axle-back system features T-304 stainless steel construction with polished tips and multi-core technology designed to unleash hidden horsepower. Ultra-smooth mandrel bends ensure maximum flow and power, while the precision computer-controlled CNC manufacturing ensures an accurate fit. The increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla “Sound of Power” respected by motoring enthusiasts everywhere. Pair your vehicle with a system that’s best in performance, durability, sound, and style--a Borla axle-back system.
Note: This Borla system includes NPP valves.
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Some parts are not legal for use in California or other states with similar laws / regulations
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