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This Borla cat-back exhaust system is built for the verified 2014-2020 Toyota Tundra application listed below. Select it by exact manufacturer part number 140638BC and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.
Key Features
- True Dual Cat-Back Design: Split rear exit with 2.250 in. tail pipes and internal H-Pipe in muffler for superior exhaust flow, power gains, and refined Touring sound.
- Black Chrome Tips: 4 in. diameter on T-304 stainless steel for aggressive styling; bright chrome version available separately.
- T-304 Stainless Steel: Premium material outperforms T-400 series for maximum durability, corrosion resistance, and long-term performance.
- Precision Engineering: Mandrel bends and CNC manufacturing ensure perfect fitment and unrestricted flow without drone.
- Patented Technology: Straight-through and multi-core design increases exhaust velocity for horsepower, torque, fuel economy, and distinctive Borla exhaust tone.
- Muffler includes internal H-Pipe to enhance performance and sound quality.
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2014-2020 | Toyota | Tundra | |
| 2015-2017 | Toyota | Tundra | TRD Pro |
| 2019-2020 | Toyota | Tundra | TRD Pro |
Specifications
| Manufacturer | Borla |
|---|---|
| Manufacturer Part Number | 140638BC |
| Product Type | Catback |
| Sound Profile | Touring |
| Finish | Black Chrome |
| Fitment Type | Vehicle specific, verify the complete application |
What's Included
One new Borla product identified by manufacturer part number 140638BC. 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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- Borla 07-21 Toyota Tundra 4.6L/5.7L Cat-Back Touring SS Catback Exhaust w/ Black Chrome Tips
- Borla 21-22 Chevrolet Tahoe 5.3L V8 AT 2/4WD Touring Cat-Back Exhaust (Black Chrome)
Browse the Borla collection for related exhaust systems and components.
Frequently Asked Questions
Will this Borla part fit my 2014-2020 Toyota Tundra?
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.
Borla
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