Clearance you can hear. Presenting the AWE 0FG Catback Exhaust for the Lexus GX 550 3.4T.

• 50-state emissions-compliant catback with rugged high-clearance BashGuard™
• Dual-phase 180 Technology®, AWE's patented drone-canceling solution, kills two frequencies responsible for in-cabin drone on the GX 550 resulting in max comfort on the highway
• Equal-length front pipes for a signature exhaust note
• Factory-matched flanges for ease of installation
• Skid plate friendly: front pipes engineered above the frame rails to preserve clearance for skid plate systems
• Spare-mounted auxiliary fuel tank friendly (tested with Hellivue aux tank)
• High-clearance BashGuard™ ends after the rear axle making it street-legal, and features an extra thick reinforced stainless ring on the outlet, built for bashing
• Handcrafted from CNC mandrel-bent 3" & 2.5" U.S.-sourced .065" wall T304L stainless steel
• Less is more: clean, straight-through design maximizes performance
• Direct bolt-on, no cutting required
• Manufactured in-house at AWE
• AWE No CEL Guarantee
• AWE Perfect Fitment Guarantee
• AWE Lifetime Warranty

The 0FG Exhaust

The AWE 0FG Exhaust for the Lexus GX 550 is a 50-state emissions-compliant catback system featuring equal-length front pipes, dual-phase 180 Technology®, and high-clearance BashGuard™. Handcrafted in-house from CNC mandrel-bent 3" and 2.5" U.S.-sourced .065"-wall T304L stainless steel, the 0FG is engineered for signature sound, maximum highway comfort, and serious clearance. Factory-matched flanges make installation direct and precise. No cutting required.

Dual-Phase 180 Technology®

The GX 550 presents more than one frequency capable of producing unwanted in-cabin drone. The solution is dual-phase 180 Technology®. AWE's patented drone-canceling technology targets the two problematic frequencies generated under cruising conditions and routes them through precisely engineered chambers. By controlling the size and location of the ports and chambers, we control when the reflected sound waves rejoin the main exhaust flow. That timing creates a 180-degree out-of-phase sound wave that cancels the problematic frequencies. The result: full-bodied tone when you're on it, maximum comfort when you're not.

Equal Length. Signature Sound.

Equal-length front pipes ensure exhaust pulses from each bank travel the same distance before converging downstream. The balanced geometry shapes the GX 550's twin-turbo V6 into a smooth, distinct exhaust note while providing the foundation for the system's straight-through architecture. Equal length by design. Signature sound by result.

Built for Clearance

The 0FG's front pipes are routed above the GX 550's frame rails, preserving valuable underbody clearance and compatibility with skid plate systems. Out back, the high-clearance BashGuard™ terminates after the rear axle, eliminating low-hanging rear sections while maintaining a street-legal exit location. An extra-thick reinforced stainless steel ring surrounds the BashGuard™ outlet, built to handle the abuse that comes with putting the GX 550 where it belongs.

Auxiliary Fuel Tank Friendly

More range without sacrificing the exhaust. The 0FG Exhaust is engineered to maintain compatibility with spare-mounted auxiliary fuel tank configurations and has been physically tested with the Hellivue auxiliary tank.

Made in PA, USA

Every AWE 0FG Exhaust for the Lexus GX 550 is engineered, designed, and manufactured in-house from U.S.-sourced .065"-wall T304L stainless steel. CNC mandrel bends maintain consistent cross-sectional area throughout the system, while the clean, straight-through design maximizes flow and durability.

100% Emissions-Compliant

The AWE 0FG Exhaust is a 50-state emissions-compliant catback system that retains the GX 550's factory emissions equipment.

What is 180 Technology®?

AWE's patented 180 Technology® works like this: as exhaust gases exit the engine and flow into an AWE 180 Technology®-equipped resonator, they pass through strategically located ports and into reflection chambers. Sound waves bounce off the walls of these chambers. AWE acoustic engineers adjust the size and location of the ports and chambers to control when the reflected sound waves re-join the main exhaust flow — creating a 180-degree out-of-phase sound wave that cancels out problematic frequencies. The result is the perfect, signature note. Unlocked performance and spot-on tone, every time.

Fitments

Media

Installation Instructions:

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