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This Borla cat-back exhaust system is built for the verified 2010-2021 Toyota 4Runner Limited application listed below. Select it by exact manufacturer part number 140379 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 durability in all conditions, with mandrel bends for unrestricted exhaust flow.
- Polished 4.25 x 3.5-inch T-304 Stainless Tip: Single right rear exit with 3.200-inch diameter outlet adds aggressive styling and a sharp, mirrored finish.
- Ships fully assembled in one oversized box; 35 lbs product weight.
- Bolt-on design with precision CNC-mandrel bends for direct fit; no welding or cutting required.
- Pioneer in stainless steel exhaust since 1978, trusted by racers and street drivers.
- CNC precision manufacturing ensures perfect fit and flow every time.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2010-2021 | Toyota | 4Runner | Limited |
| 2010-2021 | Toyota | 4Runner | SR5 |
| 2010-2016 | Toyota | 4Runner | Trail |
| 2015-2021 | Toyota | 4Runner | TRD Pro |
| 2017-2021 | Toyota | 4Runner | TRD Off-Road |
| 2018-2021 | Toyota | 4Runner | SR5 Premium |
| 2021 | Toyota | 4Runner | Trail |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 140379 |
| Product Type | Catback |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 140379. 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
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Browse the Borla collection for related exhaust systems and components.
Frequently Asked Questions
Will this Borla part fit my 2010-2021 Toyota 4Runner Limited?
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.
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