Cat-Back System

EXCEPT ZR2 & AT4X models. Fits Factory Split Rear Exit vehicles ONLY. Tips NOT included, reuse Original Equipment (O.E.) tips. BORLA® systems with tips are also available. This 2.5" diameter inlet into 2.75" pipes Cat-Back™ system features a "True Dual" design which is unique in the industry. Installation REQUIRES cutting the O.E. Y-Pipe. The system has the famous BORLA® "S-Type" sound level with no drone inside the vehicle. The muffler contains and internal X-Pipe for increased performance and improved sound. 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. Give your 6.2L Silverado or Sierra the sound it deserves, bolt on a BORLA®. 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 Sys. '19-'23 Chev. Silv. 1500/ GMC Sier. 1500 (EXC. ZR2 & AT4X) 6.2L V8 AT 2 & 4WD EC W/Std. Bed (6' 7") 147.7" WB/CC W/Short Bed (5' 9") 147.7" WB. Fact. Split Rear Exit ONLY. Reuse Factory Tips.

Application Summary

Factory Split Rear Exit Vehicles ONLY. Tips NOT Included, Reuse Factory Tips. 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 vehicles ONLY. Tips NOT included, reuse factory 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 and 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 O.E Split Rear Exit vehicles ONLY. Tips NOT included, reuse O.E. tips.
• Muffler contains an internal X-Pipe
• True Dual design. Installation REQUIRES cutting the O.E. system.

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, S-Type, Cat-Back, Dual In/Dual Out, Stainless Steel, Natural, Split Rear Exit, Chevrolet, GMC, LS, Kit

Borla’s S-Type Cat-Back Exhaust System 140778 fits factory split rear exit vehicles ONLY (except ZR2 and AT4X models). Tips are NOT included; reuse factory 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.