Toyota Tundra, 2014-2021, 5.7L - Stainless - MPI Exhaust Cat-Back Dual Exhaust Kits

MPI Exhaust Kit for Tundra Overview

The MPI Exhaust Kit is a Cat-back Exhaust system specifically engineered for Tundra trucks equipped with the 5.7L Engine, aimed at enhancing overall vehicle performance. This kit provides notable improvements in horsepower, torque, and fuel efficiency, verified through extensive dyno testing. Designed for easy installation, it leverages 35 years of exhaust experience and includes all necessary hardware for a hassle-free setup. Additionally, it is 50-state Emission Compliant and does not void any vehicle warranties.

Key Features

• Patented Pulse Chamber Technology: Eliminates all in-cab droning common with other aftermarket exhausts.
• High-grade stainless-steel Construction: Formulated for high heat resistance and durability against road salts.
• Straightforward Installation: No welding required, utilizes factory hanger locations, and comes with detailed trimming instructions for different wheelbases.

Performance Benefits

• Horsepower Gains: +17.88 hp at 4,500 RPM
• Torque Gains: +20.98 lb-ft at 4,500 RPM
• Fuel Efficiency: Average improvement of 2-4 MPG
• Sound Quality: Aggressive yet refined exhaust tone with no in-cab droning.

Fitment

• Make: Toyota 
• Model Years: 2014 - 2021
• Chassis: Tundra 
• Engine: 5.7L 
• Wheelbase: Compatible with all wheelbases

Detailed Specifications

• Material: 409 Stainless 
• Installation: Clamp-together system, direct fitment to factory hanger locations.
• Hardware: Includes 409 band clamps with all hardware for installation.
• Design: Compatible with the factory spare tire.
• Tubing Size: Dyno-proven optimal size for performance.
• Tips: Large 3.5" x 12" long 304 Stainless tips for a refined appearance.

Patented Technology

• Exhaust Pulse Chamber (Pat. 11713700): Guaranteed no drone and optimizes exhaust flow and overall performance.

Warranty

• Stainless Warranty: Limited-Life Time