Borla 2018 Kia Stinger 3.3L V6 Turbo 2.25in Pipe Dia Dual Split Rear Exit S-Type Cat-Back Exhaust

This Borla cat-back exhaust system is built for the verified 2018-2021 Kia Stinger application listed below. Select it by exact manufacturer part number 140736 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• T-304 Stainless Steel: Premium austenitic construction resists corrosion for lasting performance and durability over T-400 series materials.
• Polyphonic Harmonizer Technology: Patented multi-diameter/length pipes create harmonized exhaust notes for a rich, full-bodied S-Type sound in Borla mufflers.
• X-Pipe Design: Optimizes exhaust flow for increased velocity, power gains, and balanced scavenging across both banks.
• Mandrel Bent Tubing: Ultra-smooth 2.25-inch bends ensure maximum flow without restrictions, paired with CNC precision for perfect fitment.
• System includes X-pipe and straight-through/multi-core mufflers for peak performance.
• Bolt-on design replaces factory cat-back from mid-pipes rearward; no welding or cutting required.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 140736. 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 22-23 Kia Stinger 3.3L V6 Turbo 2.25in Pipe Dia Dual Split Rear Exit S-Type Cat-Back Exhaust
• Borla 14-16 Audi A3 Quattro 2.0L Turbo AT/MT RWD 4DR S-Type Cat-Back Exhaust Single Split Rear Exit
• Borla 14-16 Mazda 3 2.0/2.5L AT/MT FWD S-Type Cat-Back Exhaust Single Split Rear Exit

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2018-2021 Kia Stinger?
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.