Borla 140638 Touring Cat-Back Exhaust for 2014-21 Toyota Tundra 4.6L/5.7L V8

Vehicle Fitment

• 2014-2021 Toyota Tundra (Regular Cab, Extended Cab, CrewMax; 4.6L V8 & 5.7L V8; Automatic; 2WD/4WD)

Features

• Touring series cat-back exhaust delivering a refined, mellow performance sound
• True dual design with split rear exit for balanced exhaust flow and tone
• Straight-through muffler with internal H-pipe for improved exhaust velocity
• Premium T-304 stainless steel construction for durability and corrosion resistance
• Mandrel-bent 2.25" tubing for maximum flow efficiency
• Dual 4" polished round rolled angle-cut tips for a clean, performance-oriented look
• Direct bolt-on installation using factory hangers and mounting locations
• Backed by Borla's Million-Mile Warranty for long-term reliability

Specifications

• Part Number: 140638
• System Type: Touring Cat-Back Exhaust
• Main Tubing Diameter: 2.25"
• Tip Diameter: 4"
• Exit Style: Dual split rear exit
• Material: T-304 stainless steel
• Muffler Design: Straight-through with internal H-pipe
• Drivetrain: 2WD/4WD compatible

Included Components

• 1x Borla Touring cat-back exhaust system
• 2x Polished 4" round rolled angle-cut exhaust tips
• 1x Installation hardware kit

Product Description

The Borla 140638 Touring Cat-Back Exhaust is engineered specifically for 2014-2021 Toyota Tundra trucks equipped with the 4.6L and 5.7L V8 engines. Designed to deliver a deep, refined exhaust tone without excessive cabin drone, this system enhances the truck's natural V-8 sound while providing improved exhaust flow and responsiveness over the stock system.

Constructed from premium T-304 stainless steel with mandrel-bent 2.25" tubing and a true dual split rear exit, the 140638 system maximizes performance and durability. The internal H-pipe contributes to smoother exhaust scavenging, while dual polished 4" rolled angle-cut tips offer a bold rear aesthetic. Installation is fully bolt-on, using factory mounting points for a straightforward fit. Backed by Borla's Million-Mile Warranty, this Touring exhaust is an excellent upgrade for Tundra owners seeking a balanced blend of sound, performance, and long-lasting quality.