Borla 14 Silv/Sierra C/B Exh S-Type 1500 5.3L V8 AT/MT 2&4WD Ext Cab Split Side Exit

This Borla cat-back exhaust system is built for the verified 2014-2018 Chevrolet Silverado 1500 application listed below. Select it by exact manufacturer part number 140545 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 outperforms T-400 series for lasting durability and corrosion resistance in all conditions.
• 2.75″ Mandrel-Bent Tubing: Ultra-smooth bends ensure unrestricted flow, enhancing throttle response and efficiency on 5.3L V8 engines.
• 4″ Polished T-304 Stainless Tips: Bright chrome finish on dual split side exit adds motorsport styling to your truck’s rear profile.
• Straight-Through Muffler Design: Patented multi-core technology increases exhaust velocity for added power and the aggressive Borla exhaust note without drone.
• Bolt-on installation with no welding or cutting required; uses factory hangers and mounts.
• Direct bolt-on from catalytic converter back; 2-4 hours with basic tools and ramps/jack.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 140545. 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 C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab Split Side Exit
• Borla 14 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab (78.7) Crew Cab(69.3) 143.5 WB
• Borla 14 Silv/Sierra C/B Exh ATAK 1500 5.3L V8 AT/MT 2&4WD Ext Cab (78.7) WB – Black Chrome

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2014-2018 Chevrolet Silverado 1500?
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.