Borla 14-18 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab(78.7) Crew Cab(69.3) 143.5 WB Drivetrain>Shifters with AWE’s patented drone-canceling 180

with AWE’s patented drone-canceling 180 Technology® resonators keeping drone-prone frequencies in check

while 5 custom finishes provide a more personalized experience

Perfectly paired with a pulse manifold made from high-silicon ductile iron and designed to withstand extreme temperatures and vibration

Its inverted top makes for more filter surface area

Designed to work with the factory transverse leaf springs

Borla 14-18 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab(78.7) Crew Cab(69.3) 143.5 WB Drivetrain>Shifters with AWE’s patented drone-canceling 180The Borla(r) 140797 ATAK(r) Cat Back(tm) is tuned for sound and performance specifically for the 5. 3L engine in the Silverado and Sierra 1500. For the owner who is looking for an aggressive and head turning sound, we recommend our ATAK(r) system. It provides a drastic difference in tone and overall volume from the much quieter stock exhaust system while maintaining a drone free driving experience inside the vehicle. This Cat Back(tm) system features