Mishimoto Off-Road Downpipe (15-21 EcoBoost)Find parts that fit my vehicle

More Power And Performance. A Mishimoto 3" Performance Off-Road Down Pipe will release all the hidden horse power and torque your Turbocharged 2.3L EcoBoost Mustang has to offer. Mishitmoto has seen dyno proven power gains of 74.8 horse power and 116.3 foot pounds of torque at the rear wheels with a custom tune.

More Aggressive Sound. A Mishimoto Down Pipe not only helps improve power and performance of your S550 EcoBoost Mustang, but it also adds a much more aggressive exhaust note when compared to the factory down pipe.

Stainless Steel Construction. Manufactured from high quality 3" diameter 304 stainless steel tubing for superior strength and corrosion resistance, this Mishimoto Down Pipe features smooth mandrel bends throughout the entire piping to improve exhaust flow for more power and better performance.

Three O2 Bungs Built-in. Mishimoto designed their Down Pipe with three O2 bungs to accommodate the two stock O2 sensors as well as to give you the ability to easily add a wideband sensor if so desired.

Required Upgrade. For proper operation and maximum power potential this Down Pipe will require reprogramming the vehicles computer. AmericanMuscle recommends a Bama custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

3" to 2.25" Adaptor Included. This Mishimoto Down Pipe can be installed onto an aftermarket 3" catback as well as the factory or an aftermarket 2.25" catback exhaust with the use of the included 3" to 2.25" step-down adapter. This adapter allows you to upgrade your EcoBoost Mustang in stages saving you money.

Application. This Mishimoto Off-Road Down Pipe is designed to fit both automatic and manual 2015-2021 EcoBoost Mustang models equipped with the turbocharged 2.3L in-line 4-cylinder engine.

Technical Note: This Mishimoto product is intended for off road use, and is not legal for use in emission restrictive states.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov