Flowmaster introduces our Flow FX Extreme stainless steel cat-back exhaust system for the 2003-2024 Toyota 4Runner with the 4.0-liter engine. This system uses a Flow FX series muffler for an aggressive sound level and increased performance.
3.00-inch mandrel bent 409 stainless steel tubing allows for maximum exhaust flow and durability. The system has a turndown style, dump exit right after the muffler to eliminate the over-axle tailpipe. This elimination of the tailpipe helps improve ground clearance and departure angle when you are driving in more extreme off-road situations. This system produced max dyno gains of 4 hp and 5 lb-ft at the rear wheels. All of the necessary hardware is included, and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.
- FlowFX Series performance muffler offers an aggressive sound level and increased performance
- 409 stainless steel construction delivers extra durability and improved long-term corrosion resistance
- Max dyno gains of 4 hp and 5 lb-ft at the rear wheels
- 3.00-inch 16-gauge mandrel bent stainless steel tubing helps maintain maximum exhaust flow for better power
- Includes all necessary hardware for an at home installation
- Dump style exit allows for better ground clearance when in extreme off-road conditions
- Uses factory hanger locations for easy installation
- Lifetime Limited Warranty
Flowmaster Flow Fx Extreme Cat-Back Exhaust System Fits 2003-2024 Toyota 4Runner 4.0-Liter, Flow Fx Extreme 3.00 Inch Stainless Steel Cat-Back Exhaust System Flowmaster 717972
Specifications:
| Country of Origin | USA |
| Sold As | Kit |
| UPC | 090127129739 |
| Availability | Available |
| Exhaust Type | Cat Back |
| Exit Style | Single Out Dump |
| Mount Style | Welded |
| Shape | Round |
This Part Fits:
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2003 | Toyota | 4Runner | Limited | |
| 2004 | Toyota | 4Runner | Limited | |
| 2005 | Toyota | 4Runner | Limited | |
| 2006 | Toyota | 4Runner | Limited | |
| 2007 | Toyota | 4Runner | Limited | |
| 2008 | Toyota | 4Runner | Limited | |
| 2009 | Toyota | 4Runner | Limited | |
| 2010 | Toyota | 4Runner | Limited | |
| 2011 | Toyota | 4Runner | Limited | |
| 2012 | Toyota | 4Runner | Limited | |
| 2013 | Toyota | 4Runner | Limited | |
| 2014 | Toyota | 4Runner | Limited | |
| 2015 | Toyota | 4Runner | Limited | |
| 2016 | Toyota | 4Runner | Limited | |
| 2017 | Toyota | 4Runner | Limited | |
| 2018 | Toyota | 4Runner | Limited | |
| 2019 | Toyota | 4Runner | Limited | |
| 2020 | Toyota | 4Runner | Limited | |
| 2021 | Toyota | 4Runner | Limited | |
| 2022 | Toyota | 4Runner | Limited | |
| 2023 | Toyota | 4Runner | Limited | |
| 2024 | Toyota | 4Runner | Limited | |
| 2003 | Toyota | 4Runner | SR5 | |
| 2004 | Toyota | 4Runner | SR5 | |
| 2005 | Toyota | 4Runner | SR5 | |
| 2006 | Toyota | 4Runner | SR5 | |
| 2007 | Toyota | 4Runner | SR5 | |
| 2008 | Toyota | 4Runner | SR5 | |
| 2009 | Toyota | 4Runner | SR5 | |
| 2010 | Toyota | 4Runner | SR5 | |
| 2011 | Toyota | 4Runner | SR5 | |
| 2012 | Toyota | 4Runner | SR5 | |
| 2013 | Toyota | 4Runner | SR5 | |
| 2014 | Toyota | 4Runner | SR5 | |
| 2015 | Toyota | 4Runner | SR5 | |
| 2016 | Toyota | 4Runner | SR5 | |
| 2017 | Toyota | 4Runner | SR5 | |
| 2018 | Toyota | 4Runner | SR5 | |
| 2019 | Toyota | 4Runner | SR5 | |
| 2020 | Toyota | 4Runner | SR5 | |
| 2021 | Toyota | 4Runner | SR5 | |
| 2022 | Toyota | 4Runner | SR5 | |
| 2023 | Toyota | 4Runner | SR5 | |
| 2024 | Toyota | 4Runner | SR5 | |
| 2010 | Toyota | 4Runner | Trail | |
| 2011 | Toyota | 4Runner | Trail | |
| 2012 | Toyota | 4Runner | Trail | |
| 2013 | Toyota | 4Runner | Trail | |
| 2014 | Toyota | 4Runner | Trail | |
| 2015 | Toyota | 4Runner | Trail | |
| 2016 | Toyota | 4Runner | Trail | |
| 2015 | Toyota | 4Runner | TRD Pro | |
| 2016 | Toyota | 4Runner | TRD Pro | |
| 2017 | Toyota | 4Runner | TRD Pro | |
| 2018 | Toyota | 4Runner | TRD Pro | |
| 2019 | Toyota | 4Runner | TRD Pro | |
| 2020 | Toyota | 4Runner | TRD Pro | |
| 2021 | Toyota | 4Runner | TRD Pro | |
| 2022 | Toyota | 4Runner | TRD Pro | |
| 2023 | Toyota | 4Runner | TRD Pro | |
| 2024 | Toyota | 4Runner | TRD Pro | |
| 2017 | Toyota | 4Runner | ||
| 2018 | Toyota | 4Runner | ||
| 2017 | Toyota | 4Runner | TRD Off-Road | |
| 2018 | Toyota | 4Runner | TRD Off-Road | |
| 2019 | Toyota | 4Runner | TRD Off-Road | |
| 2020 | Toyota | 4Runner | TRD Off-Road | |
| 2021 | Toyota | 4Runner | TRD Off-Road | |
| 2022 | Toyota | 4Runner | TRD Off-Road | |
| 2023 | Toyota | 4Runner | TRD Off-Road | |
| 2024 | Toyota | 4Runner | TRD Off-Road | |
| 2018 | Toyota | 4Runner | SR5 Premium | |
| 2019 | Toyota | 4Runner | SR5 Premium | |
| 2020 | Toyota | 4Runner | SR5 Premium | |
| 2021 | Toyota | 4Runner | SR5 Premium | |
| 2022 | Toyota | 4Runner | SR5 Premium | |
| 2023 | Toyota | 4Runner | SR5 Premium | |
| 2024 | Toyota | 4Runner | SR5 Premium | |
| 2018 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2019 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2020 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2021 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2022 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2023 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2024 | Toyota | 4Runner | TRD Off-Road Premium | |
| 2020 | Toyota | 4Runner | ||
| 2021 | Toyota | 4Runner | ||
| 2020 | Toyota | 4Runner | Nightshade | |
| 2021 | Toyota | 4Runner | Nightshade | |
| 2022 | Toyota | 4Runner | Nightshade | |
| 2020 | Toyota | 4Runner | Venture | |
| 2021 | Toyota | 4Runner | Venture | |
| 2022 | Toyota | 4Runner | Venture | |
| 2021 | Toyota | 4Runner | Trail | |
| 2022 | Toyota | 4Runner | Trail | |
| 2022 | Toyota | 4Runner | TRD Sport | |
| 2023 | Toyota | 4Runner | TRD Sport | |
| 2024 | Toyota | 4Runner | TRD Sport | |
| 2023 | Toyota | 4Runner | 40th Anniversary Edition |