Cat-Back System

EXCEPT ZR2 & AT4X models. Factory Split Rear Exit vehicles ONLY. Tips NOT included. Use factory tips. Add Adapter 60706 for Crew Cab with Standard Bed (6' 7") 157" Wheelbase vehicles. System features Borla(r)'s aggressive ATAK(r) 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. Replace the Polyphonic Harmonizer behind the muffler in the ATAK(r) system with muffler 60679 to attain the "S-Type" sound level (quieter than ATAK(r)). Borla(r) Cat-Back(tm) 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(r) Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow& power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, Borla(r) stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.

Additional Information

ATAK(r) Cat-Back(tm) Exh. Sys. 2019-2023 Chevrolet Silverado 1500/ GMC Sierra 1500 (EXCEPT ZR2 & AT4X) 6.2L V8 Auto. Trans. 2 & 4WD Ext. Cab With Std. Bed (6' 7") 147.7" WB/ Crew Cab With Short Bed (5' 9") 147.7" WB. Reuse Factory Tips.

Application Summary

Factory Split Rear Exit Vehicles ONLY. Tips NOT Included, Reuse Factory Tips. Add Adapter 60706 For Crew Cab With Std. Bed (6' 7") 157" WB Vehicles.

Part Type

Exhaust System Kit

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Exhaust System, ATAK, Cat-back, Stainless, Natural, Split Rear Exit, Chevy, GMC, 6.2L, Kit

Borla 140775 ATAK Cat-Back exhaust 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.

Each system is CNC-machined from premium T-304 stainless steel with ultra-smooth mandrel bends to ensure maximum flow and power, an accurate fit, and the best in performance and durability. Best of all, Borla stands behind every system--just what you’d expect from the world’s most experienced (and most winning) exhaust brand.

Notes:
• Except ZR2 and AT4X models
• Factory split rear exit vehicles ONLY
• Tips NOT included; use factory tips
• Add Adapter 60706 for Crew Cab with standard bed (6 ft. 7 in.) 157 in. wheelbase vehicles.
• Replace the Polyphonic Harmonizer behind the muffler in the ATAK system with muffler 60679 to attain the quieter "S-Type" sound level