Cat-Back System

EXCEPT ZR2 & AT4X models. Fits Factory Split Rear Exit vehicles ONLY. This Cat-Back™ system features a True Dual design which REQUIRES cutting the Original Equipment (O.E) Y-Pipe. The 2.5" diameter inlet into 2.75" system has the famous BORLA® "S-Type" sound level with no drone inside the vehicle. The muffler contains an internal X-Pipe for increased performance and improved sound. This system features dual 3.5" X 3.28" 'square' bright chrome on T-304 stainless steel tips on each tail pipe. Installation REQUIRES removal of the O.E. Valance Tips. Systems with black chrome on T-304 stainless steel tips, carbon fiber tips ,and systems that reuse the O.E. tips are also available. 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. It is built with premium, high-quality austenitic T-304 stainless steel using computer numerical control (CNC) manufacturing techniques that ensures accurate fit and maximum performance. All this without the annoying drone often associated with performance exhaust systems. Give your Silverado or Sierra the performance and sound it deserves, bolt on a BORLA®. Best of all, BORLA® 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

S-Type Cat-Back Exh. Sys. '19-'23 Chev. Silv. 1500/ GMC Sier. 1500 (EXC. ZR2 & AT4X) 6.2L V8 AT 2 & 4WD Ext. Cab W/Std. Bed (6' 7") 147.7" WB/ Crew Cab W/Short Bed (5' 9") 147.7" WB. Fact. Split Rear Exit ONLY.

Application Summary

Factory Split Rear Exit Vehicles ONLY. BORLA® System Is True Dual Design. Installation REQUIRES Cutting the Original Equipment System.

Part Type

Exhaust System Kit

Product Overview

EXCEPT ZR2 & AT4X models. Factory Split Rear Exit ONLY. This system features bright chrome on T-304 stainless steel tips. This Cat-Back(tm) system by BORLA(r) features a "True Dual" design which is unique in the industry. Installation requires cutting the factory Y-Pipe. The system has the famous BORLA(r) "S-Type" sound level. The muffler contains an internal H-Pipe for increased performance and improved sound. It is built with premium, high-quality austenitic T-304 stainless steel using computer numerical control (CNC) manufacturing techniques that ensures accurate fit and maximum performance. All this without the annoying drone often associated with performance exhaust systems. 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.

• EXCEPT ZR2 & AT4X models
• Fits Factory Split Rear Exit vehicles ONLY. Installation REQUIRES removal of O.E. Valance Tips.
• Muffler contains an internal X-Pipe
• True Dual design. Installation REQUIRES cutting the Original Equipment system.

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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, S-Type, Cat-Back, Dual In/Dual Out, Stainless Steel, Natural, Split Rear Exit, Polished Tips , Chevrolet, GMC, 6.2L, Kit

Borla’s S-Type Cat-Back Exhaust System 140785 fits factory split rear exit vehicles ONLY (except ZR2 and ATRX models). It includes bright chrome on T-304 stainless steel tips. This cat-back system features a "True Dual" design which is unique in the industry. Installation requires cutting the factory Y-Pipe. The system has the famous Borla "S-Type" sound level—and the muffler contains an internal H-Pipe for increased performance and improved sound. It’s built with premium, high-quality austenitic T-304 stainless steel using computer numerical control (CNC) manufacturing techniques to ensure accurate fit and maximum performance. All this without the annoying drone often associated with performance exhaust systems. Best of all, Borla stands behind every system—just what you’d expect from the world’s most experienced (and most winning) exhaust brand.