This BORLA Cat-Back system is designed specifically for the 2.4L engine in the BRZ and GR86. The 3 in. diameter single exit system features Polyphonic Harmonizer technology which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a c lean, rich, full-bodied sound and the aggressive ATAK sound with no drone in the cabin. The system exits in the rear on the passenger side and features laser welded muffler end caps for a clean appearance. Extended Polyphonic Harmonizer muffler core design exits inside the single 4.5 in. round brushed T-304 stainless steel tip. The tip has a laser cut BORLA logo. > BORLA Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Ultra-smooth mandrel bends ensure maximum flow and power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit.

140912 ATAK Cat-Back Exhaust System Features:

• 3 in. diameter
• Single 4.5 in. round brushed t-304 stainless steel tip
• The tip has a laser cut borla logo
• Built from premium t-304 stainless steel

Emissions Note:

This part is legal for sale or uses on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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