MagnaFlow 19677 Overland Cat-Back Exhaust for 2024-2026 Lexus GX550 3.4L V6

Vehicle Fitment

• 2024-2026 Lexus GX550 (3.4L Turbocharged V6 - Premium, Luxury, Overland, F Sport Performance)

Fitment Notes

• For 3.4L Turbocharged V6 engine only - does not fit the GX460 or any prior GX generation.
• Direct cat-back fitment; replaces all OEM exhaust components from the catalytic converter rearward.
• High-clearance exit design improves departure angles for off-road use - no external exhaust tip included.
• Professional installation recommended; basic automotive knowledge required for proper fitting.

Features

• Overland Series cat-back engineered specifically for off-road function, ground clearance, and trail capability.
• Mandrel-bent 3 in. stainless steel main tubing delivers improved exhaust flow and dyno-proven performance gains.
• Dual-muffler NDT system - chambered front muffler and straight-through rear muffler work together to minimize highway drone via passive quarter-wave noise cancellation.
• High-clearance single driver-side rear exit improves departure angles and protects the system during off-road use.
• Black-coated stainless steel finish for a stealthy, rugged appearance suited to overlanding and off-road builds.
• 3D scan-based direct-fit engineering for precise bolt-on installation.
• CNC precision robotic manufacturing ensures consistent quality and fitment accuracy.
• Made in the USA; backed by MagnaFlow's limited lifetime construction warranty.

Specifications

• Part Number: 19677
• Series: Overland Series Cat-Back
• System Type: Cat-Back
• Main Tubing Diameter: 3 in.
• Exit Style: Single Driver Side Rear (High-Clearance)
• Exhaust Tip: None (high-clearance configuration)
• Muffler Quantity: 2
• Muffler 1 (Front): Chambered - 22 in. L x 5 in. H x 11 in. W
• Muffler 2 (Rear): Straight-Through - 11 in. L x 5 in. H x 5 in. W
• Noise Reduction: NDT (No Drone Technology) - Passive Quarter-Wave Cancellation
• Inlet Connection: Bolt-On
• Clamping Type: Band Clamp
• Material: Stainless Steel
• Finish: Black Coated
• Sound Level - Interior: Mild
• Sound Level - Exterior: Moderate
• Made in the USA

Included Components

• 1x Cat-Back Exhaust System (mandrel-bent 3 in. black-coated tubing assemblies)
• 1x Chambered Front Muffler - Black Coated (22 x 5 x 11 in.)
• 1x Straight-Through Rear Muffler - Black Coated (11 x 5 x 5 in.)
• Band Clamps (included)
• Rubber Hangers (included)

Product Description

The MagnaFlow 19677 Overland Series Cat-Back Exhaust is purpose-built for the 2024-2026 Lexus GX550 equipped with the 3.4L turbocharged V6, covering all trim levels. Engineered from the ground up for off-road utility, this system routes 3 in. black-coated stainless steel tubing through a dual-muffler NDT configuration before terminating in a high-clearance driver-side exit - improving departure angles and protecting the system during technical trail use. MagnaFlow's passive quarter-wave noise cancellation keeps highway drone to a minimum without sacrificing the deep, powerful tone the GX550's V6 deserves.

Developed using 3D vehicle scanning, the 19677 bolts directly onto factory mounting points without cutting or welding. The high-clearance exit eliminates the need for an external tip, keeping the system tucked and protected during off-road use. The black-coated stainless steel finish adds a purposeful, stealthy look that complements the GX550's rugged character. Built and backed by MagnaFlow's lifetime warranty, the 19677 is the definitive exhaust upgrade for GX550 owners who take both the road and the trail seriously.