Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB S-Type Single Split Rear Exit Cat-Back Exhaust

This Borla cat-back exhaust system is built for the verified 2014-2018 Chevrolet Silverado 1500 High Country application listed below. Select it by exact manufacturer part number 140571 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• T-304 Stainless Steel Construction: Premium material resists corrosion for long-lasting performance and bright chrome-finished 4″ tips.
• 3.5″ Mandrel-Bent Tubing: Ensures maximum exhaust flow for power gains, improved velocity, and efficiency.
• Single Split Rear Exit: Precise fit with 2.25″ outlet diameter, all-welded assembly for single split rear styling.
• Straight-Through Muffler Technology: Patented multi-core design unleashes hidden horsepower with aggressive yet refined Borla sound.
• Direct bolt-on installation with no cutting or welding required.
• Bolt-on design fits factory hangers; uses provided hardware for 1-2 hour install.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 140571. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

Related Borla Products

• Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB ATAK Single Split Rear Exit Cat-Back Exhaust
• Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB Touring Single Split Rear Exit Cat-Back Exhaust
• Borla 14 Silv/Sierra 1500 EC Std/CC Short 143.5in WB S-Type Dual Rolled Side Exit Cat-Back Exhaust

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2014-2018 Chevrolet Silverado 1500 High Country?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.