aFe Dyno Results: During dyno-testing, aFe's Street down-pipe produced max gains of: +13 HP and +15 ft./lbs. torque (2015 Mustang I4 2.3L).
Custom Tuning Required: For proper operation and maximum power potential this down-pipe requires a high-performance custom tune (sold separately) with installation. Call Stage 3 directly at 1-877-578-2433 for custom tuning options.
O2 Sensor Bungs: This down-pipe uses factory mounting locations for the O2 sensor and includes an additional bung for either a wide-band O2 gauge or auxiliary instrumentation.
Fitment: 2015-2020 Mustang 2.3L EcoBoost.
Cat-Back Exhaust Requirement: Installation of this aFe Down-Pipe requires either a stock or aFe aftermarket cat-back exhaust kit - part#: 49-33084-B (sold separately) for correct fitment. Call Stage 3 directly at 1-877-578-2433 for more information.