Borla is the industry leader in high-performance exhaust systems, proudly engineered and manufactured in the USA. Crafted from premium T-304 stainless steel, Borla exhausts are designed for maximum power, efficiency, and longevity, delivering an iconic sound that sets them apart. With decades of innovation and motorsports heritage, Borla offers precision-tuned cat-back, axle-back, and header systems that enhance horsepower, torque, and driving experience. Whether on the street, off-road, or track, Borla provides unmatched quality, performance, and the legendary growlbecause great sound and power start with American craftsmanship.
Muffler contains an internal H-Pipe for increased performance and improved sound. 140638 is a full True Dual, split rear exit, Cat-Back system with 4" black chrome on T-304 stainless steel tips. Using BORLA Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. Bright chrome on T-304 stainless steel tips are also available. We suggest cleaning the tips with hot water and a microfiber cloth. Bright chrome on T304 stainless steel tips are also available. BORLA Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
This Part Fits:
Fitment Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021.
Muffler contains an internal H-Pipe for increased performance and improved sound. 140638 is a full True Dual, split rear exit, Cat-Back system with 4" black chrome on T-304 stainless steel tips. Using BORLA Stainless Steel Polish p# 21461 is NOT recommended with these black chrome tips. Bright chrome on T-304 stainless steel tips are also available. We suggest cleaning the tips with hot water and a microfiber cloth. Bright chrome on T304 stainless steel tips are also available. BORLA Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive BORLA Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Best of all, BORLA stands behind every system with a Million-Mile Warranty. Just what you'd expect from the world's most experienced (and most winning) exhaust brand.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2014-2021 | Toyota | Tundra | 1794 Edition |
| 2014-2021 | Toyota | Tundra | Limited |
| 2021 | Toyota | Tundra | Nightshade |
| 2014-2021 | Toyota | Tundra | Platinum |
| 2014-2021 | Toyota | Tundra | SR |
| 2014-2021 | Toyota | Tundra | SR5 |
| 2021 | Toyota | Tundra | Trail |
| 2015-2017,2019-2021 | Toyota | Tundra | TRD Pro |
Fitment Years: 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021.
- Category:
- Exhaust, Mufflers & Tips>Catback
- Core:
- N
- Core Price:
- 0
- LTL:
- N
- MPN:
- 140638BC
- Proposition 65:
- Y
