Description
The aFe MACH Force-Xp 2-1/2 IN 409 Stainless Steel Cat-Back Exhaust System (AFE49-46016-P) is engineered to increase performance, improve exhaust flow, and deliver an aggressive exhaust note for the Lexus GX470. Designed with mandrel-bent stainless steel tubing and a straight-through free-flowing muffler, this system reduces restriction while maintaining an OEM-style fit and finish.
Key Features
- Dyno-proven gains of +9 HP and +14 lbs. x Ft. TQ
- 2-1/2 IN mandrel-bent 409 stainless steel tubing for improved exhaust flow
- Straight-through, free-flowing stainless steel muffler
- High-luster 304 stainless steel exhaust tip
- OE-style bayonet hangers for factory-like fitment
- Premium band clamps and OE-style flanges for leak-free sealing
- All necessary hardware included for a hassle-free installation
Performance and Sound
Performance Gains:
This system produced gains of +9 horsepower and +14 lbs. x Ft. of torque, as measured on aFe’s in-house dyno.
2-1/2 IN Stainless Steel Construction:
Constructed from 2-1/2 IN mandrel-bent 409 stainless steel tubing, allowing smoother exhaust flow, reduced restriction, and improved throttle response.
Free-Flowing Muffler:
A straight-through stainless steel muffler absorbs high-frequency exhaust tones while delivering an aggressive, powerful exhaust sound without excessive restriction.
Polished Exhaust Tip:
Finished with a high-luster 304 stainless steel exhaust tip that enhances appearance while maintaining durability and corrosion resistance.
Installation and Fitment
Direct Bolt-On Installation:
Uses all factory mounting locations for a straightforward, no-cut installation.
Leak-Free Seal:
OE-style flanges and premium band clamps provide a complete 360-degree sealing surface to eliminate exhaust leaks.
OE-Style Bayonet Hangers:
Bayonet hangers keep the exhaust securely positioned during high heat and vibration, ensuring long-term fitment stability.
Vehicle Fitment
Lexus
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GX470 (2005–2009) – V8-4.7L
