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 Factory up-pipes are prone to

Factory up-pipes are prone to failure due to age and heat cycling causing leaking exhaust

angled varieties

This muffler is tuned for the Ford Small Block 289/ 302 (Exc

The Roller maximizes storage space with an incorporated slide out tray

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 Factory up-pipes are prone toThe 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