Suburban/Yukon, 2021-2025, 5.3L Stainless, MPI Exhaust Cat-Back Dual Exhaust Kits

The MPI Exhaust Kit is a full Stainless Cat-back Exhaust system specifically engineered for GM SUVs equipped with the popular 5.3L Engine. It aims to enhance 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 engineering experience and includes all necessary hardware for a hassle-free setup.

Key Features

• Patented Pulse Chamber Technology: Eliminates all in-cab droning common with other aftermarket exhausts while keeping the interior nice and quiet.
• Stainless steel Construction: MPI Stainless is designed to prevent any rust, even in the eastern salt belt. This grade of stainless steel has been proven in the industry since 1999. 
• Straightforward Installation: No welding is required. It utilizes factory hangar locations and has detailed instructions.

Performance Benefits

• Horsepower Gains: +21.5 hp @ 4,000 RPMs
• Torque Gains: +28 lb-ft @ 4,000 RPMs 
• Fuel Efficiency: Average improvement of 2-4 MPG
• Heat: Reduces under-hood manifold temperature by 150 degrees
• Sound Quality: Aggressive yet refined exhaust tone with no in-cab droning

Fitment

• Make: GMC and Chevy
• Model Years: 2021 - Current 
• Chassis: SUVs
• Engine: 5.3L
• Bumper: G1622 is for standard Bumper and G1623 is for Quad Tip Bumper
• Wheelbase: Note* Suburban only has one wheelbase 

Detailed Specifications

• Material: Polished Stainless 
• Installation: Clamp-together system, direct fitment to factory hanger locations.
• Hardware: Includes all necessary Stainless hardware for installation.
• Sound: Mellow with MPI Turbo or aggressive smooth tone with MPI Performance 
• Tubing Size: Dyno-proven optimal size for performance.
• Tips: Depending on exit 3.5"x12" or 4"x12" Quad Tip. 

Patented Technology

• Exhaust Pulse Chamber (Pat. 11713700): It is guaranteed to have zero drone, optimizes exhaust flow, and overall performance.

Warranty

• Stainless Warranty: Limited Lifetime warranty