BORLA ATAK 3.5" CAT-BACK SINGLE SPLIT/DUAL 2.75" REAR EXHAUST WITH BLACK TIPS | 19-23 SILVERADO/SIERRA 1500 6.2L EXTENDED/CREW CAB (CREW CAB 6'7" REQUIRES BOR-60706 ADAPTER) (EXC ZR2 &AT4X)
- This 3.5" into dual 2.75" system features BORLA®'s aggressive ATAK® muffler and 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 clean, rich, full-bodied sound with no drone inside the vehicle.
- Replace the Polyphonic Harmonizer behind the muffler in this ATAK® system with muffler 60679 to attain the S-Type sound level (quieter than ATAK®).
- This system features dual 3.5" round black chrome on T-304 stainless steel tips on each tail pipe.
- Installation REQUIRES removal of the Factory Valance Tips.
- 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.
- Each sys
Important Note: Fits Factory Split Rear (Dual) Exit vehicles ONLY. Excluding ZR2 & AT4X models. Add Adapter BOR-60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. System features Polyphonic Harmonizer technology. Add Muffler BOR-60679 to attain the S-Type sound level. Installation REQUIRES removal of the Factory Valance Tips. Using BORLA® Stainless Steel Polish BOR-21499 is NOT recommended with these black chrome tips. BORLA® suggest cleaning the tips with hot water and a microfiber cloth.
