-10%
Click to zoom in
SKU: 140638 | UPC: 808422406383
Borla 140638 Touring Cat-Back Exhaust System - 2014-2021 Toyota Tundra 4.6L/5.7L V8 CrewMax Short Bed, Double Cab Standard Bed, Regular Cab Long Bed
Transform your Toyota Tundra with the Borla 140638 Touring Cat-Back Exhaust System, designed for 2014-2021 models equipped with 4.6L or 5.7L V8 engines, automatic transmission, 2WD or 4WD, and specific wheelbases of 145.7 inches across Regular Cab Long Bed, Extended Cab Standard Bed, and CrewMax Short Bed configurations. This true dual split rear exit system delivers noticeable gains in horsepower and torque, better fuel efficiency, and the signature Borla Sound of Power for an exhilarating driving experience. Crafted from premium T-304 stainless steel, it outflows the factory exhaust while weighing less for improved performance.
Key Features
- T-304 Stainless Steel Construction: Heavy-duty material ensures durability, corrosion resistance, and lightweight design that reduces overall vehicle weight compared to stock single exhaust.
- Mandrel-Bent 2.25-Inch Tubing: Ultra-smooth bends with 2.5-inch inlet/outlet promote maximum exhaust flow for power gains, quicker throttle response, and enhanced engine efficiency.
- Straight-Through Muffler with Internal H-Pipe: Patented multi-core technology and H-pipe balance sound and performance, providing a refined V8 growl without interior drone on highway drives.
- True Dual Split Rear Exit Design: Full cat-back layout from catalytic converter back with 4-inch polished T-304 stainless steel tips adds aggressive motorsport styling and even exhaust distribution.
- Precision CNC Manufacturing: Computer-controlled fabrication guarantees perfect fitment using factory mounting points for straightforward installation and reliable long-term performance.
Product Notes
- System weighs approximately 39 lbs, lighter than the factory exhaust for better handling and acceleration.
- Street-legal design with no off-road restrictions; delivers consistent power across RPM range.
- Ships in one heavy-duty box with protective packaging; dimensions 52" L x 20" W x 20" H.
Installation Notes
- Professional installation recommended.
- Bolt-on design requires no cutting, welding, or modifications; reuses factory hangers and hardware.
- Allow 1-2 hours for install; torque all clamps to Borla specifications for secure fit.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2021 | Toyota | Tundra | 4.6L V8 2WD/4WD Regular Cab Long Bed 145.7" WB Auto |
| 2014-2021 | Toyota | Tundra | 4.6L V8 2WD/4WD Extended Cab Standard Bed 145.7" WB Auto |
| 2014-2021 | Toyota | Tundra | 4.6L V8 2WD/4WD CrewMax Short Bed 145.7" WB Auto |
| 2014-2021 | Toyota | Tundra | 5.7L V8 2WD/4WD Regular Cab Long Bed 145.7" WB Auto |
| 2014-2021 | Toyota | Tundra | 5.7L V8 2WD/4WD Extended Cab Standard Bed 145.7" WB Auto |
| 2014-2021 | Toyota | Tundra | 5.7L V8 2WD/4WD CrewMax Short Bed 145.7" WB Auto (SR, SR5, Limited, Platinum, 1794 Edition, TRD Pro) |
Why Choose Borla?
- Decades as pioneer in stainless steel exhaust for street, off-road, and racing vehicles including Ferrari and Rolls-Royce.
- Each system backed by Million-Mile Warranty for unmatched reliability.
- Proven in motorsport with straight-through technology that unlocks hidden horsepower and torque.
Frequently Asked Questions
-
Q: Will this fit my 2018 Toyota Tundra CrewMax SR5 5.7L 4x4?
A: Yes, it fits 2014-2021 Tundra 5.7L V8 4WD CrewMax Short Bed 145.7" WB automatic transmission; confirm your wheelbase measures 145.7 inches. -
Q: What finish options are available for the tips?
A: Standard 4-inch polished T-304 stainless steel tips; black chrome T-304 stainless steel tips available separately. -
Q: What warranty covers this exhaust system?
A: Full Million-Mile Warranty against defects in materials and workmanship when installed and maintained properly.
Shipping & Handling
- Method: UPS Ground or Freight for oversized package
- Availability: In stock - ships same or next business day
- Packaging: Single heavy-duty box, 52" L x 20" W x 20" H with foam inserts for protection
- Weight: 39 lbs
Borla
Borla exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop Borla ATAK, S-Type, and Touring cat-back systems, axle-back exhausts, SwitchFire X-pipes, H-pipes, mid-pipes, exhaust tips, and tailpipe kits for Ford Mustang GT, Dodge Challenger Hellcat, Toyota Tacoma and Tundra, Ford F-150 and Super Duty, Jeep Gladiator, RAM 1500, and Chevrolet Corvette platforms. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,041 Borla SKUs across cat-back, axle-back, mid-pipe, and exhaust tip categories. What This Brand Covers Borla built its name on premium T304 stainless steel exhaust and a straight-through muffler design that delivers a distinct, aggressive tone without the raspy edge common on lower-cost systems. The lineup spans three core sound profiles so drivers can match a system to their build and daily use. Core Sound Profiles ATAK delivers the mo...
View Borla Products
Catback
A catback exhaust system replaces everything from the catalytic converter back, covering the mid pipe, muffler, and tailpipe section in one bolt on upgrade. This collection covers catback systems for trucks, Jeeps, muscle cars, imports, and performance SUVs, giving you a straightforward way to improve sound, exhaust flow, and rear end styling without touching the factory catalytic converters or front pipe. Catback systems are available in stainless steel and titanium construction, with dual rear exit, single exit, and quad tip configurations, and a range of sound levels from mild touring tone to aggressive track character. Whether you want a deeper daily driver sound or a full track ready exhaust note, you will find a matched system for your platform here. What This Category Covers This collection includes complete catback exhaust systems, cat-back kits, dual rear exit systems, axle back adjacent catback upgrades, stainless steel and titanium exhaust systems, and street, tourin...
View Catback Products
Exhaust Systems
Performance exhaust systems for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop cat-back systems, axle-back systems, turbo-back systems, headers, downpipes, mid-pipes, mufflers, resonators, catalytic converters, exhaust tips, exhaust valve controllers, oxygen sensors, exhaust brakes, and motorcycle and powersports exhausts for Mustang, Camaro, Challenger, Corvette, Silverado, and Super Duty platforms. Every product is filterable by exhaust position, material, pipe diameter, and vehicle year, make, model, and trim so the correct fitment ships the first time. Black Ops Auto Works carries 7,441 exhaust SKUs across every position of the exhaust system. What This Category Covers Exhaust upgrades change sound, appearance, and in some cases power. Exhaust fitment depends on engine, drivetrain, and factory exit position, so confirm the exact platform before ordering any exhaust component. Exhaust Position Cat-back, axle-back, turbo-back, and header-back systems e...
View Exhaust Systems Products