This Borla ATAK cat-back brings the brand's most aggressive Sound of Power to the 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 in Crew Cab Short Bed configuration. It uses a split side exit with single 3.5 inch by 2.25 inch round rolled, angle-cut tips. Borla Cat-Back and Axle-Back systems use patented straight-through, multi-core technology engineered to free up hidden horsepower, adding exhaust velocity, power, and driving excitement along with the distinctive Borla Sound of Power. Each system is built from premium austenitic T-304 stainless steel, a step above T-400 series alloys such as 409, for lasting durability, and ultra-smooth mandrel bends with CNC manufacturing ensure strong flow and an accurate bolt-on fit. This cat-back mounts behind the factory catalytic converters and is 50-state emissions legal. Borla exhaust is handmade in the USA and backed by a Million-Mile Warranty.
Specifications:
- System: Cat-Back exhaust
- Sound level: ATAK (most aggressive)
- Pipe design: patented straight-through, multi-core
- Cab/bed: Crew Cab, Short Bed
- Tips: single 3.5 inch x 2.25 inch round rolled, angle-cut
- Exit: split side exit
- Material: T-304 stainless steel
- Emissions: 50-state emissions legal
- Made in the USA
- Part number: 140549
Vehicle Applications:
- 2014 Chevrolet Silverado 1500
- 2015 Chevrolet Silverado 1500
- 2016 Chevrolet Silverado 1500
- 2017 Chevrolet Silverado 1500
- 2018 Chevrolet Silverado 1500
- 2014 GMC Sierra 1500
- 2015 GMC Sierra 1500
- 2016 GMC Sierra 1500
- 2017 GMC Sierra 1500
- 2018 GMC Sierra 1500
FAQ
Which trucks does this fit?
It fits the 2014-2018 Chevrolet Silverado 1500 and GMC Sierra 1500 in Crew Cab Short Bed configuration.
Is this exhaust legal in all 50 states?
Yes. The system installs behind the factory catalytic converters and is 50-state emissions legal.
What tips does it use?
It uses single 3.5 inch by 2.25 inch round rolled, angle-cut tips with a split side exit.
How loud is the ATAK sound and is it warrantied?
ATAK is Borla's most aggressive sound level. The system is handmade in the USA from T-304 stainless steel and backed by Borla's Million-Mile Warranty.

