BORLA CAT-BACK ATAK DUAL EXHAUST SYSTEM (RE-USES FACTORY 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®).
- Tips NOT Included, reuse factory tips. Systems that include tips are also available.
- BORLA® Cat-Back™ & Axle-Back exhaust systems feature patented straight-through and multi-core technology 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 system is built from premium T-304 austenitic stainless steel, superior to T-400 series knockof