Description
A quality exhaust system is fundamental to engine efficiency and driving experience. The Cat-Back Single Exhaust System GIB18815 delivers increased airflow to reduce backpressure, freeing up lost horsepower while maintaining the stock appearance your 4Runner demands. With mandrel-bent tubing and precision-engineered piping, this bolt-on system transforms your vehicle’s performance without requiring modifications to your engine bay or fuel mapping.
- Fitment: Toyota 4Runner 2004-2019
- Configuration: Single exhaust
- Type: Cat-back system
- Tailpipe diameter: 2.5 inches
- Tip size: 4 inches
- Tip finish: Polished stainless
- Material: Aluminized steel
- Installation: Bolt-on
- Includes: Complete kit
- MPN: 18815






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