Borla 11921 ATAK Axle-Back Exhaust System with Dual 4-Inch Round Rolled Angle-Cut Tips

The Borla 11921 ATAK (Acoustically-Tuned Applied Kinetics) Axle-Back Exhaust System delivers aggressive sound and performance for 2016-2021 Chevrolet Camaro SS models equipped with the 6.2L V8 engine. This premium exhaust system is engineered specifically for vehicles with dual mode exhaust (NPP) or dual split rear exit bumpers, providing a bold exhaust note that sets your Camaro apart.

Key Features:

• ATAK technology produces Borla's most aggressive and loudest exhaust tone
• 2.75-inch inlet diameter transitioning to dual 2.5-inch outlets for optimized exhaust flow
• Dual 4-inch round rolled angle-cut tips with mirror-polished T-304 stainless steel finish
• Dual split rear exit configuration matches factory dual mode exhaust styling
• Complete bolt-on system includes connecting pipes, mufflers, and all necessary hardware
• Constructed from premium austenitic T-304 stainless steel for superior corrosion resistance
• Computer-controlled CNC manufacturing ensures precise fit and finish
• 100% made in the USA and backed by Borla's Million-Mile Warranty

Important Notes:

• This system does NOT include NPP (No Procurement Process) valves
• Borla Adapter Kit 60605 (sold separately) can be used to add NPP valve functionality
• Designed for both automatic and manual transmission models
• Professional installation recommended for optimal fit and performance

Borla's patented straight-through muffler design eliminates restrictions and backpressure, unleashing hidden horsepower while delivering the unmistakable ATAK sound. Each system is precision-crafted using mandrel-bent tubing to maintain consistent diameter throughout, maximizing exhaust velocity and performance gains. The mirror-polished tips provide a show-quality appearance that complements the aggressive stance of your Camaro SS.