Gibson 618815 Cat-Back Single Exhaust System for Toyota 4Runner 4.0L, Stainless Steel

Gibson Single Side Exhaust is perfect for improved acceleration, maximum hill climbing, towing and passing power. This is our best performing Exhaust System. Exits behind the rear tire. Quieter in the cab than any other Performance Exhaust. Dyno test results show it makes maximum torque and horsepower at low-end (1800 to 3000 RPM). Horsepower gains average 10-15 and 15-20lb-ft of increase torque. Hassle free, bolt-on installation with professional looking results. No welding required. Backed by a Lifetime Limited Warranty. Cat-Back Single Exhaust System; Stainless

• Incl. Hardware/Factory Style Hangers For Easy Bolt-On Install
• Baffled/Chambered Muffler; No Internal Packing
• Minimal Interior Drone - Aggressive Sound
• Polished Stainless Steel Slash-Cut Tips
• Stainless Steel Mandrel Bent Tubing
• Lifetime Limited Warranty
• Superflow™ Muffler

Improve acceleration, hill-climbing capability, towing response, and passing power with the Gibson 618815 Cat-Back Single Exhaust System for select Toyota 4Runner models equipped with the 4.0L engine. This single-exit performance exhaust routes behind the rear tire and is engineered to increase low-end torque and horsepower in the 1,800 to 3,000 RPM range. Dyno testing shows average gains of 10–15 horsepower and 15–20 lb-ft of torque, helping deliver stronger performance during everyday driving and demanding conditions.
The Gibson 618815 exhaust system is constructed from stainless steel mandrel-bent tubing for smooth exhaust flow and long-term durability. Its Superflow™ baffled, chambered muffler uses no internal packing and produces an aggressive exterior tone while minimizing interior drone. A polished stainless steel slash-cut tip provides a clean, professional appearance that complements the factory styling of the Toyota 4Runner.
Installation is designed as a hassle-free bolt-on process using included hardware and factory-style hangers. No welding is required, making it suitable for installers seeking professional-looking results with minimal fabrication. The Gibson 618815 is backed by a Lifetime Limited Warranty. This product may require applicable emissions-related acknowledgment before installation; verify vehicle compatibility and local regulations before purchase. Fits select 2010–2015 Toyota 4Runner applications with the 4.0L engine.

Features:

• Cat-back single exhaust system for select Toyota 4Runner 4.0L applications

• Stainless steel construction with mandrel-bent tubing

• Includes hardware and factory-style hangers for bolt-on installation

• Baffled, chambered Superflow™ muffler with no internal packing

• Aggressive exhaust tone with minimal interior drone

• Polished stainless steel slash-cut exhaust tip

• Exits behind the rear tire

• Designed to improve low-end horsepower and torque

• No welding required

• Backed by a Lifetime Limited Warranty

Compatible With
2004 Toyota 4Runner
2005 Toyota 4Runner
2006 Toyota 4Runner
2007 Toyota 4Runner
2008 Toyota 4Runner
2009 Toyota 4Runner
2010 Toyota 4Runner
2011 Toyota 4Runner
2012 Toyota 4Runner
2013 Toyota 4Runner
2014 Toyota 4Runner
2015 Toyota 4Runner
2016 Toyota 4Runner
2017 Toyota 4Runner
2018 Toyota 4Runner
2019 Toyota 4Runner
2020 Toyota 4Runner
2021 Toyota 4Runner
2022 Toyota 4Runner
2023 Toyota 4Runner
2024 Toyota 4Runner