Borla Axle-Back Exhaust for Dual Mode NPP Valves 2.25" Dual Tip ATAK

Borla Axle-Back Exhaust for Dual Mode NPP Valves 2.25" Dual Tip ATAK Brand: Borla. Experience aggressive, track-inspired sound with street-legal control—engineered for enthusiasts who demand peak performance and uncompromised durability. Key Features ATAK® Sound — Acoustically Tuned Applied Kinetics delivers the highest dB levels in Borla's street line while eliminating in-cabin drone. Vehicle-specific tuning — Multicore internal muffler design is calibrated per vehicle for optimal tone and high-volume fidelity. Premium construction — Full T-304 stainless steel for superior corrosion resistance and longevity compared to T-400/409 alternatives. Precision fit — Mandrel-bent piping and CNC-manufactured components ensure smooth flow, max power, and accurate installation. Dual tips — Dual 4" polished T-304 stainless steel round tips on each muffler assembly for an aggressive, finished look. Warranty — Backed by Borla’s Million-Mile Warranty for confidence and peace of mind. Specifications & Compatibility This axle-back system features a 2.25" diameter inlet with one 2.5" and one 2.75" tailpipe feeding dual tips. It fits vehicles equipped with Dual Mode Exhaust (NPP) valves but does not include the NPP valves. Adapter Kit 60605 is available to add NPP valves. Vehicles originally equipped with single tips may require a rear bumper valance change to accommodate dual tips. Why Choose Borla ATAK? Engineered for high-performance purists, ATAK systems maintain sound quality at elevated volumes by shaping and focusing sound waves—delivering the loud, aggressive character enthusiasts want without the pitfalls of harsh or hollow tones. Built from race-proven materials and manufacturing methods, this system improves exhaust flow, enhances throttle response, and adds a bold visual statement.