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Borla ATAK Axle-Back Exhaust Systems
Exhaust System, ATAK, Axle-Back, Stainless, Natural, Four Exits, Center Rear, Chevy, 6.2L, Kit
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Estimated Ship Date: Nov 10, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
11903
Part Type:
Product Line:
Summit Racing Part Number:
BOR-11903
Item Number:
3273421
UPC:
808422219037
System Material:
304 stainless steel
System Style:
Rear axle-back
Exhaust Type:
Dual in/Four out
Exit Location:
Rear
System Finish:
Natural
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
2.75 in.
Muffler Included:
Yes
Muffler Quantity:
Two
Muffler Configuration:
Single inlet/Dual 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.):
4.25
Tip Quantity:
4
Tip Shape:
Round
Tip Cut:
Slant intercooled
Tip Edge Style:
Rolled edge
Tip Material:
304 stainless steel
Tip Color:
Polished
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Fits models with NPP dual mode exhaust.
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 Axle-Back Exhaust Systems
Borla’s 11903 ATAK axle-back exhaust system for C7 Corvettes is equipped with NPP valves, but does not have AFM valves. It is CNC-manufactured from premium T-304 stainless steel with ultra-smooth mandrel bends to ensure an accurate fit, maximum flow and power, and the absolute best in performance and durability with style. This ATAK system features Borla’s patented straight-through and multi-core technology to unleash hidden horsepower. The increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla “Sound of Power” respected by motoring enthusiasts everywhere.
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Some parts are not legal for use in California or other states with similar laws / regulations
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