BORLA ATAK 3.5" CAT-BACK SINGPLE SPLIT 2.75" REAR EXHAUST WITH TURN DOWN TAIL PIPES (TIPS NOT INCLUDED) 22-23 SILVERADO 1500 ZR2 / SIERRA 1500 AT4X CREW CAB 4WD 6.2L
- System features Polyphonic Harmonizer technology.
- Muffler 60679 can be added to this system to attain the S-Type sound level.
- Features turn down tail pipes.
Important Note: Fits ZR2 & AT4X models ONLY.